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Finding the Fourth Proportional to 249.22, 373.92 and 141.04

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Solution

The fourth proportional to 249.22, 373.92 and 141.04 is: 211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.22 : 373.92 = 141.04 : x
  2. Step 2: Convert to fraction form
    249.22/373.92 = 141.04/x
  3. Step 3: Cross multiply
    249.22x = 373.92 × 141.04
  4. Step 4: Simplify right side
    249.22x = 52,737.68
  5. Step 5: Solve for x
    x = 52,737.68/249.22
  6. Step 6: Final answer
    x = 211.61

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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.