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Finding the Fourth Proportional to 249.52, 374.08 and 95.36

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Solution

The fourth proportional to 249.52, 374.08 and 95.36 is: 142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.52 : 374.08 = 95.36 : x
  2. Step 2: Convert to fraction form
    249.52/374.08 = 95.36/x
  3. Step 3: Cross multiply
    249.52x = 374.08 × 95.36
  4. Step 4: Simplify right side
    249.52x = 35,672.27
  5. Step 5: Solve for x
    x = 35,672.27/249.52
  6. Step 6: Final answer
    x = 142.96

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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.