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Finding the Fourth Proportional to 234,425.34, 323,505.90 and 126,995.04

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Solution

The fourth proportional to 234,425.34, 323,505.90 and 126,995.04 is: 175,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,425.34 : 323,505.90 = 126,995.04 : x
  2. Step 2: Convert to fraction form
    234,425.34/323,505.90 = 126,995.04/x
  3. Step 3: Cross multiply
    234,425.34x = 323,505.90 × 126,995.04
  4. Step 4: Simplify right side
    234,425.34x = 41,083,644,710.74
  5. Step 5: Solve for x
    x = 41,083,644,710.74/234,425.34
  6. Step 6: Final answer
    x = 175,252.58

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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.