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  <xs:element id="rop_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageVestDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageVestDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="rop_ApplicationSoftwareSegmentMember" abstract="true" name="ApplicationSoftwareSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_NetworkSoftwareSegmentMember" abstract="true" name="NetworkSoftwareSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_TechnologyEnabledProductsSegmentMember" abstract="true" name="TechnologyEnabledProductsSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_UnsecuredCreditFacilityMember" abstract="true" name="UnsecuredCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rop_IndicorMember" abstract="true" name="IndicorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_EquityMethodInvestmentsRollForward" abstract="true" name="EquityMethodInvestmentsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rop_PowerPlanIncMember" abstract="true" name="PowerPlanIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rop_LossContingencyDamagesSoughtValueAfterTax" abstract="false" name="LossContingencyDamagesSoughtValueAfterTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_SegmentOperatingProfit" abstract="false" name="SegmentOperatingProfit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_AssetsExcludingAssetsHeldForSale" abstract="false" name="AssetsExcludingAssetsHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_SoftwareRelatedMember" abstract="true" name="SoftwareRelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_SoftwareRelatedRecurringMember" abstract="true" name="SoftwareRelatedRecurringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_SoftwareRelatedReoccurringMember" abstract="true" name="SoftwareRelatedReoccurringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_SoftwareRelatedNonRecurringMember" abstract="true" name="SoftwareRelatedNonRecurringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_ProductRevenueMember" abstract="true" name="ProductRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="rop_ContractWithCustomerLiabilityDeferredRevenueBillingsInExcessOfRevenuesAndCustomerDepositsCurrent" abstract="false" name="ContractWithCustomerLiabilityDeferredRevenueBillingsInExcessOfRevenuesAndCustomerDepositsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_ContractWithCustomerNetAssetLiability" abstract="false" name="ContractWithCustomerNetAssetLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_ContractWithCustomerAssetNetIncreaseDecrease" abstract="false" name="ContractWithCustomerAssetNetIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_ContractWithCustomerLiabilityBillingsInExcessOfRevenuesAndCustomerDepositsIncreaseDecrease" abstract="false" name="ContractWithCustomerLiabilityBillingsInExcessOfRevenuesAndCustomerDepositsIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_ContractWithCustomerLiabilityNoncurrentIncreaseDecrease" abstract="false" name="ContractWithCustomerLiabilityNoncurrentIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_IncreaseDecreaseInContractWithCustomerAssetLiability" abstract="false" name="IncreaseDecreaseInContractWithCustomerAssetLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rop_L.NeilHunnMember" abstract="true" name="L.NeilHunnMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
