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Finding the Fourth Proportional to 79,704.67, 119,425.79 and 55,691.41

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Solution

The fourth proportional to 79,704.67, 119,425.79 and 55,691.41 is: 83,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,704.67 : 119,425.79 = 55,691.41 : x
  2. Step 2: Convert to fraction form
    79,704.67/119,425.79 = 55,691.41/x
  3. Step 3: Cross multiply
    79,704.67x = 119,425.79 × 55,691.41
  4. Step 4: Simplify right side
    79,704.67x = 6,650,990,058.44
  5. Step 5: Solve for x
    x = 6,650,990,058.44/79,704.67
  6. Step 6: Final answer
    x = 83,445.43

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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.