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Finding the Fourth Proportional to 274,863.22, 412,032.39 and 87,753.22

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Solution

The fourth proportional to 274,863.22, 412,032.39 and 87,753.22 is: 131,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,863.22 : 412,032.39 = 87,753.22 : x
  2. Step 2: Convert to fraction form
    274,863.22/412,032.39 = 87,753.22/x
  3. Step 3: Cross multiply
    274,863.22x = 412,032.39 × 87,753.22
  4. Step 4: Simplify right side
    274,863.22x = 36,157,168,966.80
  5. Step 5: Solve for x
    x = 36,157,168,966.80/274,863.22
  6. Step 6: Final answer
    x = 131,546.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.