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Finding the Fourth Proportional to 80,385.01, 120,589.81 and 24,217.68

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Solution

The fourth proportional to 80,385.01, 120,589.81 and 24,217.68 is: 36,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,385.01 : 120,589.81 = 24,217.68 : x
  2. Step 2: Convert to fraction form
    80,385.01/120,589.81 = 24,217.68/x
  3. Step 3: Cross multiply
    80,385.01x = 120,589.81 × 24,217.68
  4. Step 4: Simplify right side
    80,385.01x = 2,920,405,957.73
  5. Step 5: Solve for x
    x = 2,920,405,957.73/80,385.01
  6. Step 6: Final answer
    x = 36,330.23

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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.