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Finding the Fourth Proportional to 234,129.39, 323,098.56 and 126,699.42

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Solution

The fourth proportional to 234,129.39, 323,098.56 and 126,699.42 is: 174,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,129.39 : 323,098.56 = 126,699.42 : x
  2. Step 2: Convert to fraction form
    234,129.39/323,098.56 = 126,699.42/x
  3. Step 3: Cross multiply
    234,129.39x = 323,098.56 × 126,699.42
  4. Step 4: Simplify right side
    234,129.39x = 40,936,400,154.84
  5. Step 5: Solve for x
    x = 40,936,400,154.84/234,129.39
  6. Step 6: Final answer
    x = 174,845.20

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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.