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Finding the Fourth Proportional to 172,481.43, 258,414.33 and 93,545.31

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Solution

The fourth proportional to 172,481.43, 258,414.33 and 93,545.31 is: 140,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,481.43 : 258,414.33 = 93,545.31 : x
  2. Step 2: Convert to fraction form
    172,481.43/258,414.33 = 93,545.31/x
  3. Step 3: Cross multiply
    172,481.43x = 258,414.33 × 93,545.31
  4. Step 4: Simplify right side
    172,481.43x = 24,173,448,608.29
  5. Step 5: Solve for x
    x = 24,173,448,608.29/172,481.43
  6. Step 6: Final answer
    x = 140,151.02

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Why These Related Problems?

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