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Finding the Fourth Proportional to 234,039.92, 322,974.12 and 126,609.70

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Solution

The fourth proportional to 234,039.92, 322,974.12 and 126,609.70 is: 174,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,039.92 : 322,974.12 = 126,609.70 : x
  2. Step 2: Convert to fraction form
    234,039.92/322,974.12 = 126,609.70/x
  3. Step 3: Cross multiply
    234,039.92x = 322,974.12 × 126,609.70
  4. Step 4: Simplify right side
    234,039.92x = 40,891,656,440.96
  5. Step 5: Solve for x
    x = 40,891,656,440.96/234,039.92
  6. Step 6: Final answer
    x = 174,720.86

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1.5x scale

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.