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Finding the Fourth Proportional to 234,097.28, 323,051.92 and 126,664.96

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Solution

The fourth proportional to 234,097.28, 323,051.92 and 126,664.96 is: 174,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,097.28 : 323,051.92 = 126,664.96 : x
  2. Step 2: Convert to fraction form
    234,097.28/323,051.92 = 126,664.96/x
  3. Step 3: Cross multiply
    234,097.28x = 323,051.92 × 126,664.96
  4. Step 4: Simplify right side
    234,097.28x = 40,919,358,524.72
  5. Step 5: Solve for x
    x = 40,919,358,524.72/234,097.28
  6. Step 6: Final answer
    x = 174,796.39

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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.