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Finding the Fourth Proportional to 172,428.54, 237,951.36 and 95,952.56

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Solution

The fourth proportional to 172,428.54, 237,951.36 and 95,952.56 is: 132,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.54 : 237,951.36 = 95,952.56 : x
  2. Step 2: Convert to fraction form
    172,428.54/237,951.36 = 95,952.56/x
  3. Step 3: Cross multiply
    172,428.54x = 237,951.36 × 95,952.56
  4. Step 4: Simplify right side
    172,428.54x = 22,832,040,957.72
  5. Step 5: Solve for x
    x = 22,832,040,957.72/172,428.54
  6. Step 6: Final answer
    x = 132,414.51

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Why These Related Problems?

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