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Finding the Fourth Proportional to 83,358.32, 125,034.62 and 38,924.14

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Solution

The fourth proportional to 83,358.32, 125,034.62 and 38,924.14 is: 58,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.32 : 125,034.62 = 38,924.14 : x
  2. Step 2: Convert to fraction form
    83,358.32/125,034.62 = 38,924.14/x
  3. Step 3: Cross multiply
    83,358.32x = 125,034.62 × 38,924.14
  4. Step 4: Simplify right side
    83,358.32x = 4,866,865,053.73
  5. Step 5: Solve for x
    x = 4,866,865,053.73/83,358.32
  6. Step 6: Final answer
    x = 58,384.87

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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.