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Finding the Fourth Proportional to 247,754.10, 341,948.61 and 161,563.45

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Solution

The fourth proportional to 247,754.10, 341,948.61 and 161,563.45 is: 222,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,754.10 : 341,948.61 = 161,563.45 : x
  2. Step 2: Convert to fraction form
    247,754.10/341,948.61 = 161,563.45/x
  3. Step 3: Cross multiply
    247,754.10x = 341,948.61 × 161,563.45
  4. Step 4: Simplify right side
    247,754.10x = 55,246,396,346.49
  5. Step 5: Solve for x
    x = 55,246,396,346.49/247,754.10
  6. Step 6: Final answer
    x = 222,988.83

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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.