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Finding the Fourth Proportional to 92,702, 139,057.32 and 27,038

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Solution

The fourth proportional to 92,702, 139,057.32 and 27,038 is: 40,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702 : 139,057.32 = 27,038 : x
  2. Step 2: Convert to fraction form
    92,702/139,057.32 = 27,038/x
  3. Step 3: Cross multiply
    92,702x = 139,057.32 × 27,038
  4. Step 4: Simplify right side
    92,702x = 3,759,831,818.16
  5. Step 5: Solve for x
    x = 3,759,831,818.16/92,702
  6. Step 6: Final answer
    x = 40,558.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.