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Finding the Fourth Proportional to 177,118.43, 244,414.50 and 100,627.50

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Solution

The fourth proportional to 177,118.43, 244,414.50 and 100,627.50 is: 138,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,118.43 : 244,414.50 = 100,627.50 : x
  2. Step 2: Convert to fraction form
    177,118.43/244,414.50 = 100,627.50/x
  3. Step 3: Cross multiply
    177,118.43x = 244,414.50 × 100,627.50
  4. Step 4: Simplify right side
    177,118.43x = 24,594,820,098.75
  5. Step 5: Solve for x
    x = 24,594,820,098.75/177,118.43
  6. Step 6: Final answer
    x = 138,860.88

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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.