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Finding the Fourth Proportional to 83,358.52, 125,037.82 and 36,611.80

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Solution

The fourth proportional to 83,358.52, 125,037.82 and 36,611.80 is: 54,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.52 : 125,037.82 = 36,611.80 : x
  2. Step 2: Convert to fraction form
    83,358.52/125,037.82 = 36,611.80/x
  3. Step 3: Cross multiply
    83,358.52x = 125,037.82 × 36,611.80
  4. Step 4: Simplify right side
    83,358.52x = 4,577,859,658.28
  5. Step 5: Solve for x
    x = 4,577,859,658.28/83,358.52
  6. Step 6: Final answer
    x = 54,917.72

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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.