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Finding the Fourth Proportional to 166.44, 249.42 and 93.96

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Solution

The fourth proportional to 166.44, 249.42 and 93.96 is: 140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.44 : 249.42 = 93.96 : x
  2. Step 2: Convert to fraction form
    166.44/249.42 = 93.96/x
  3. Step 3: Cross multiply
    166.44x = 249.42 × 93.96
  4. Step 4: Simplify right side
    166.44x = 23,435.50
  5. Step 5: Solve for x
    x = 23,435.50/166.44
  6. Step 6: Final answer
    x = 140.80

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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.