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Finding the Fourth Proportional to 151.59, 226.72 and 93.67

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Solution

The fourth proportional to 151.59, 226.72 and 93.67 is: 140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.59 : 226.72 = 93.67 : x
  2. Step 2: Convert to fraction form
    151.59/226.72 = 93.67/x
  3. Step 3: Cross multiply
    151.59x = 226.72 × 93.67
  4. Step 4: Simplify right side
    151.59x = 21,236.86
  5. Step 5: Solve for x
    x = 21,236.86/151.59
  6. Step 6: Final answer
    x = 140.09

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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.