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Finding the Fourth Proportional to 93,099.92, 128,388.51 and 62,542.13

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Solution

The fourth proportional to 93,099.92, 128,388.51 and 62,542.13 is: 86,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,099.92 : 128,388.51 = 62,542.13 : x
  2. Step 2: Convert to fraction form
    93,099.92/128,388.51 = 62,542.13/x
  3. Step 3: Cross multiply
    93,099.92x = 128,388.51 × 62,542.13
  4. Step 4: Simplify right side
    93,099.92x = 8,029,690,882.93
  5. Step 5: Solve for x
    x = 8,029,690,882.93/93,099.92
  6. Step 6: Final answer
    x = 86,248.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.