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Finding the Fourth Proportional to 71,711.78, 107,566.80 and 32,241.02

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Solution

The fourth proportional to 71,711.78, 107,566.80 and 32,241.02 is: 48,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,711.78 : 107,566.80 = 32,241.02 : x
  2. Step 2: Convert to fraction form
    71,711.78/107,566.80 = 32,241.02/x
  3. Step 3: Cross multiply
    71,711.78x = 107,566.80 × 32,241.02
  4. Step 4: Simplify right side
    71,711.78x = 3,468,063,350.14
  5. Step 5: Solve for x
    x = 3,468,063,350.14/71,711.78
  6. Step 6: Final answer
    x = 48,361.14

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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.