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Finding the Fourth Proportional to 83,310.70, 124,966.05 and 63,627.70

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Solution

The fourth proportional to 83,310.70, 124,966.05 and 63,627.70 is: 95,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,310.70 : 124,966.05 = 63,627.70 : x
  2. Step 2: Convert to fraction form
    83,310.70/124,966.05 = 63,627.70/x
  3. Step 3: Cross multiply
    83,310.70x = 124,966.05 × 63,627.70
  4. Step 4: Simplify right side
    83,310.70x = 7,951,302,339.59
  5. Step 5: Solve for x
    x = 7,951,302,339.59/83,310.70
  6. Step 6: Final answer
    x = 95,441.55

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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.