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Finding the Fourth Proportional to 151.68, 226.98 and 93.87

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Solution

The fourth proportional to 151.68, 226.98 and 93.87 is: 140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.68 : 226.98 = 93.87 : x
  2. Step 2: Convert to fraction form
    151.68/226.98 = 93.87/x
  3. Step 3: Cross multiply
    151.68x = 226.98 × 93.87
  4. Step 4: Simplify right side
    151.68x = 21,306.61
  5. Step 5: Solve for x
    x = 21,306.61/151.68
  6. Step 6: Final answer
    x = 140.47

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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.