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Finding the Fourth Proportional to 234,129.32, 323,098.48 and 126,699.36

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Solution

The fourth proportional to 234,129.32, 323,098.48 and 126,699.36 is: 174,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,129.32 : 323,098.48 = 126,699.36 : x
  2. Step 2: Convert to fraction form
    234,129.32/323,098.48 = 126,699.36/x
  3. Step 3: Cross multiply
    234,129.32x = 323,098.48 × 126,699.36
  4. Step 4: Simplify right side
    234,129.32x = 40,936,370,791.35
  5. Step 5: Solve for x
    x = 40,936,370,791.35/234,129.32
  6. Step 6: Final answer
    x = 174,845.13

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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.