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Finding the Fourth Proportional to 249.82, 374.67 and 95.74

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Solution

The fourth proportional to 249.82, 374.67 and 95.74 is: 143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.82 : 374.67 = 95.74 : x
  2. Step 2: Convert to fraction form
    249.82/374.67 = 95.74/x
  3. Step 3: Cross multiply
    249.82x = 374.67 × 95.74
  4. Step 4: Simplify right side
    249.82x = 35,870.91
  5. Step 5: Solve for x
    x = 35,870.91/249.82
  6. Step 6: Final answer
    x = 143.59

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