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Finding the Fourth Proportional to 234,042.92, 322,978.26 and 126,612.70

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Solution

The fourth proportional to 234,042.92, 322,978.26 and 126,612.70 is: 174,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,042.92 : 322,978.26 = 126,612.70 : x
  2. Step 2: Convert to fraction form
    234,042.92/322,978.26 = 126,612.70/x
  3. Step 3: Cross multiply
    234,042.92x = 322,978.26 × 126,612.70
  4. Step 4: Simplify right side
    234,042.92x = 40,893,149,539.90
  5. Step 5: Solve for x
    x = 40,893,149,539.90/234,042.92
  6. Step 6: Final answer
    x = 174,725.00

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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.