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Finding the Fourth Proportional to 247,239.92, 341,191.72 and 134,062.64

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Solution

The fourth proportional to 247,239.92, 341,191.72 and 134,062.64 is: 185,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,239.92 : 341,191.72 = 134,062.64 : x
  2. Step 2: Convert to fraction form
    247,239.92/341,191.72 = 134,062.64/x
  3. Step 3: Cross multiply
    247,239.92x = 341,191.72 × 134,062.64
  4. Step 4: Simplify right side
    247,239.92x = 45,741,062,729.34
  5. Step 5: Solve for x
    x = 45,741,062,729.34/247,239.92
  6. Step 6: Final answer
    x = 185,006.79

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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.