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Finding the Fourth Proportional to 80,532.80, 120,800.20 and 24,373.28

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Solution

The fourth proportional to 80,532.80, 120,800.20 and 24,373.28 is: 36,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.80 : 120,800.20 = 24,373.28 : x
  2. Step 2: Convert to fraction form
    80,532.80/120,800.20 = 24,373.28/x
  3. Step 3: Cross multiply
    80,532.80x = 120,800.20 × 24,373.28
  4. Step 4: Simplify right side
    80,532.80x = 2,944,297,098.66
  5. Step 5: Solve for x
    x = 2,944,297,098.66/80,532.80
  6. Step 6: Final answer
    x = 36,560.22

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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.