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Finding the Fourth Proportional to 83,318.14, 125,013.60 and 53,793.64

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Solution

The fourth proportional to 83,318.14, 125,013.60 and 53,793.64 is: 80,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,318.14 : 125,013.60 = 53,793.64 : x
  2. Step 2: Convert to fraction form
    83,318.14/125,013.60 = 53,793.64/x
  3. Step 3: Cross multiply
    83,318.14x = 125,013.60 × 53,793.64
  4. Step 4: Simplify right side
    83,318.14x = 6,724,936,593.50
  5. Step 5: Solve for x
    x = 6,724,936,593.50/83,318.14
  6. Step 6: Final answer
    x = 80,713.95

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