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Finding the Fourth Proportional to 329,137.52, 454,207.17 and 178,234.52

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Solution

The fourth proportional to 329,137.52, 454,207.17 and 178,234.52 is: 245,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,137.52 : 454,207.17 = 178,234.52 : x
  2. Step 2: Convert to fraction form
    329,137.52/454,207.17 = 178,234.52/x
  3. Step 3: Cross multiply
    329,137.52x = 454,207.17 × 178,234.52
  4. Step 4: Simplify right side
    329,137.52x = 80,955,394,654.47
  5. Step 5: Solve for x
    x = 80,955,394,654.47/329,137.52
  6. Step 6: Final answer
    x = 245,962.22

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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.