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Finding the Fourth Proportional to 71,494.40, 107,198.40 and 32,044.16

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Solution

The fourth proportional to 71,494.40, 107,198.40 and 32,044.16 is: 48,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,494.40 : 107,198.40 = 32,044.16 : x
  2. Step 2: Convert to fraction form
    71,494.40/107,198.40 = 32,044.16/x
  3. Step 3: Cross multiply
    71,494.40x = 107,198.40 × 32,044.16
  4. Step 4: Simplify right side
    71,494.40x = 3,435,082,681.34
  5. Step 5: Solve for x
    x = 3,435,082,681.34/71,494.40
  6. Step 6: Final answer
    x = 48,046.88

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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.