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Finding the Fourth Proportional to 247,753.60, 341,947.92 and 161,562.95

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Solution

The fourth proportional to 247,753.60, 341,947.92 and 161,562.95 is: 222,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,753.60 : 341,947.92 = 161,562.95 : x
  2. Step 2: Convert to fraction form
    247,753.60/341,947.92 = 161,562.95/x
  3. Step 3: Cross multiply
    247,753.60x = 341,947.92 × 161,562.95
  4. Step 4: Simplify right side
    247,753.60x = 55,246,113,893.75
  5. Step 5: Solve for x
    x = 55,246,113,893.75/247,753.60
  6. Step 6: Final answer
    x = 222,988.14

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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.