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Finding the Fourth Proportional to 166.01, 249.02 and 44.28

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Solution

The fourth proportional to 166.01, 249.02 and 44.28 is: 66.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.01 : 249.02 = 44.28 : x
  2. Step 2: Convert to fraction form
    166.01/249.02 = 44.28/x
  3. Step 3: Cross multiply
    166.01x = 249.02 × 44.28
  4. Step 4: Simplify right side
    166.01x = 11,026.61
  5. Step 5: Solve for x
    x = 11,026.61/166.01
  6. Step 6: Final answer
    x = 66.42

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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.