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Finding the Fourth Proportional to 80,552.80, 120,828.60 and 24,392.80

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Solution

The fourth proportional to 80,552.80, 120,828.60 and 24,392.80 is: 36,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,552.80 : 120,828.60 = 24,392.80 : x
  2. Step 2: Convert to fraction form
    80,552.80/120,828.60 = 24,392.80/x
  3. Step 3: Cross multiply
    80,552.80x = 120,828.60 × 24,392.80
  4. Step 4: Simplify right side
    80,552.80x = 2,947,347,874.08
  5. Step 5: Solve for x
    x = 2,947,347,874.08/80,552.80
  6. Step 6: Final answer
    x = 36,589.02

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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.