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Finding the Fourth Proportional to 80,351.60, 120,527.60 and 24,191.87

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Solution

The fourth proportional to 80,351.60, 120,527.60 and 24,191.87 is: 36,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351.60 : 120,527.60 = 24,191.87 : x
  2. Step 2: Convert to fraction form
    80,351.60/120,527.60 = 24,191.87/x
  3. Step 3: Cross multiply
    80,351.60x = 120,527.60 × 24,191.87
  4. Step 4: Simplify right side
    80,351.60x = 2,915,787,307.01
  5. Step 5: Solve for x
    x = 2,915,787,307.01/80,351.60
  6. Step 6: Final answer
    x = 36,287.86

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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.