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Finding the Fourth Proportional to 166.13, 249.06 and 97.73

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Solution

The fourth proportional to 166.13, 249.06 and 97.73 is: 146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.13 : 249.06 = 97.73 : x
  2. Step 2: Convert to fraction form
    166.13/249.06 = 97.73/x
  3. Step 3: Cross multiply
    166.13x = 249.06 × 97.73
  4. Step 4: Simplify right side
    166.13x = 24,340.63
  5. Step 5: Solve for x
    x = 24,340.63/166.13
  6. Step 6: Final answer
    x = 146.52

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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.