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Finding the Fourth Proportional to 62,402.60, 93,458.10 and 61,149.80

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Solution

The fourth proportional to 62,402.60, 93,458.10 and 61,149.80 is: 91,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402.60 : 93,458.10 = 61,149.80 : x
  2. Step 2: Convert to fraction form
    62,402.60/93,458.10 = 61,149.80/x
  3. Step 3: Cross multiply
    62,402.60x = 93,458.10 × 61,149.80
  4. Step 4: Simplify right side
    62,402.60x = 5,714,944,123.38
  5. Step 5: Solve for x
    x = 5,714,944,123.38/62,402.60
  6. Step 6: Final answer
    x = 91,581.83

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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.