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Finding the Fourth Proportional to 166.86, 250.37 and 112.64

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Solution

The fourth proportional to 166.86, 250.37 and 112.64 is: 169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.86 : 250.37 = 112.64 : x
  2. Step 2: Convert to fraction form
    166.86/250.37 = 112.64/x
  3. Step 3: Cross multiply
    166.86x = 250.37 × 112.64
  4. Step 4: Simplify right side
    166.86x = 28,202.33
  5. Step 5: Solve for x
    x = 28,202.33/166.86
  6. Step 6: Final answer
    x = 169.02

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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.