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Finding the Fourth Proportional to 247,540.92, 341,604.12 and 134,363.52

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Solution

The fourth proportional to 247,540.92, 341,604.12 and 134,363.52 is: 185,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,540.92 : 341,604.12 = 134,363.52 : x
  2. Step 2: Convert to fraction form
    247,540.92/341,604.12 = 134,363.52/x
  3. Step 3: Cross multiply
    247,540.92x = 341,604.12 × 134,363.52
  4. Step 4: Simplify right side
    247,540.92x = 45,899,132,009.70
  5. Step 5: Solve for x
    x = 45,899,132,009.70/247,540.92
  6. Step 6: Final answer
    x = 185,420.38

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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.