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Finding the Fourth Proportional to 247,375.79, 341,379.23 and 134,198.54

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Solution

The fourth proportional to 247,375.79, 341,379.23 and 134,198.54 is: 185,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,375.79 : 341,379.23 = 134,198.54 : x
  2. Step 2: Convert to fraction form
    247,375.79/341,379.23 = 134,198.54/x
  3. Step 3: Cross multiply
    247,375.79x = 341,379.23 × 134,198.54
  4. Step 4: Simplify right side
    247,375.79x = 45,812,593,154.61
  5. Step 5: Solve for x
    x = 45,812,593,154.61/247,375.79
  6. Step 6: Final answer
    x = 185,194.33

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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.