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Finding the Fourth Proportional to 361,251.90, 541,953.18 and 108,522.18

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Solution

The fourth proportional to 361,251.90, 541,953.18 and 108,522.18 is: 162,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,251.90 : 541,953.18 = 108,522.18 : x
  2. Step 2: Convert to fraction form
    361,251.90/541,953.18 = 108,522.18/x
  3. Step 3: Cross multiply
    361,251.90x = 541,953.18 × 108,522.18
  4. Step 4: Simplify right side
    361,251.90x = 58,813,940,551.53
  5. Step 5: Solve for x
    x = 58,813,940,551.53/361,251.90
  6. Step 6: Final answer
    x = 162,805.90

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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.