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Finding the Fourth Proportional to 80,770.80, 121,172.40 and 24,614.40

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Solution

The fourth proportional to 80,770.80, 121,172.40 and 24,614.40 is: 36,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,770.80 : 121,172.40 = 24,614.40 : x
  2. Step 2: Convert to fraction form
    80,770.80/121,172.40 = 24,614.40/x
  3. Step 3: Cross multiply
    80,770.80x = 121,172.40 × 24,614.40
  4. Step 4: Simplify right side
    80,770.80x = 2,982,585,922.56
  5. Step 5: Solve for x
    x = 2,982,585,922.56/80,770.80
  6. Step 6: Final answer
    x = 36,926.54

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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.