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Finding the Fourth Proportional to 234,182.57, 323,171.69 and 126,752.42

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Solution

The fourth proportional to 234,182.57, 323,171.69 and 126,752.42 is: 174,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,182.57 : 323,171.69 = 126,752.42 : x
  2. Step 2: Convert to fraction form
    234,182.57/323,171.69 = 126,752.42/x
  3. Step 3: Cross multiply
    234,182.57x = 323,171.69 × 126,752.42
  4. Step 4: Simplify right side
    234,182.57x = 40,962,793,957.16
  5. Step 5: Solve for x
    x = 40,962,793,957.16/234,182.57
  6. Step 6: Final answer
    x = 174,918.21

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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.