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Finding the Fourth Proportional to 172,679.53, 238,294.17 and 96,198.52

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Solution

The fourth proportional to 172,679.53, 238,294.17 and 96,198.52 is: 132,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,679.53 : 238,294.17 = 96,198.52 : x
  2. Step 2: Convert to fraction form
    172,679.53/238,294.17 = 96,198.52/x
  3. Step 3: Cross multiply
    172,679.53x = 238,294.17 × 96,198.52
  4. Step 4: Simplify right side
    172,679.53x = 22,923,546,478.63
  5. Step 5: Solve for x
    x = 22,923,546,478.63/172,679.53
  6. Step 6: Final answer
    x = 132,751.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.