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Finding the Fourth Proportional to 166.04, 249.06 and 93.86

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Solution

The fourth proportional to 166.04, 249.06 and 93.86 is: 140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.04 : 249.06 = 93.86 : x
  2. Step 2: Convert to fraction form
    166.04/249.06 = 93.86/x
  3. Step 3: Cross multiply
    166.04x = 249.06 × 93.86
  4. Step 4: Simplify right side
    166.04x = 23,376.77
  5. Step 5: Solve for x
    x = 23,376.77/166.04
  6. Step 6: Final answer
    x = 140.79

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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.