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Finding the Fourth Proportional to 234,651.25, 323,825.10 and 132,691.96

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Solution

The fourth proportional to 234,651.25, 323,825.10 and 132,691.96 is: 183,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,651.25 : 323,825.10 = 132,691.96 : x
  2. Step 2: Convert to fraction form
    234,651.25/323,825.10 = 132,691.96/x
  3. Step 3: Cross multiply
    234,651.25x = 323,825.10 × 132,691.96
  4. Step 4: Simplify right side
    234,651.25x = 42,968,988,407.34
  5. Step 5: Solve for x
    x = 42,968,988,407.34/234,651.25
  6. Step 6: Final answer
    x = 183,118.52

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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.