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Finding the Fourth Proportional to 83,337.76, 125,007.20 and 34,089.76

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Solution

The fourth proportional to 83,337.76, 125,007.20 and 34,089.76 is: 51,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,337.76 : 125,007.20 = 34,089.76 : x
  2. Step 2: Convert to fraction form
    83,337.76/125,007.20 = 34,089.76/x
  3. Step 3: Cross multiply
    83,337.76x = 125,007.20 × 34,089.76
  4. Step 4: Simplify right side
    83,337.76x = 4,261,465,446.27
  5. Step 5: Solve for x
    x = 4,261,465,446.27/83,337.76
  6. Step 6: Final answer
    x = 51,134.87

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1.5x scale

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.