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Finding the Fourth Proportional to 249.52, 374.24 and 95.38

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Solution

The fourth proportional to 249.52, 374.24 and 95.38 is: 143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.52 : 374.24 = 95.38 : x
  2. Step 2: Convert to fraction form
    249.52/374.24 = 95.38/x
  3. Step 3: Cross multiply
    249.52x = 374.24 × 95.38
  4. Step 4: Simplify right side
    249.52x = 35,695.01
  5. Step 5: Solve for x
    x = 35,695.01/249.52
  6. Step 6: Final answer
    x = 143.05

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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.