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Finding the Fourth Proportional to 247,600.56, 341,687.82 and 134,423.28

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Solution

The fourth proportional to 247,600.56, 341,687.82 and 134,423.28 is: 185,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,600.56 : 341,687.82 = 134,423.28 : x
  2. Step 2: Convert to fraction form
    247,600.56/341,687.82 = 134,423.28/x
  3. Step 3: Cross multiply
    247,600.56x = 341,687.82 × 134,423.28
  4. Step 4: Simplify right side
    247,600.56x = 45,930,797,500.45
  5. Step 5: Solve for x
    x = 45,930,797,500.45/247,600.56
  6. Step 6: Final answer
    x = 185,503.61

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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.