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Finding the Fourth Proportional to 247,753.85, 341,948.26 and 161,563.20

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Solution

The fourth proportional to 247,753.85, 341,948.26 and 161,563.20 is: 222,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,753.85 : 341,948.26 = 161,563.20 : x
  2. Step 2: Convert to fraction form
    247,753.85/341,948.26 = 161,563.20/x
  3. Step 3: Cross multiply
    247,753.85x = 341,948.26 × 161,563.20
  4. Step 4: Simplify right side
    247,753.85x = 55,246,255,120.03
  5. Step 5: Solve for x
    x = 55,246,255,120.03/247,753.85
  6. Step 6: Final answer
    x = 222,988.48

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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.