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Finding the Fourth Proportional to 166.68, 249.99 and 44.95

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Solution

The fourth proportional to 166.68, 249.99 and 44.95 is: 67.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.68 : 249.99 = 44.95 : x
  2. Step 2: Convert to fraction form
    166.68/249.99 = 44.95/x
  3. Step 3: Cross multiply
    166.68x = 249.99 × 44.95
  4. Step 4: Simplify right side
    166.68x = 11,237.05
  5. Step 5: Solve for x
    x = 11,237.05/166.68
  6. Step 6: Final answer
    x = 67.42

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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.