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Finding the Fourth Proportional to 110.92, 166.39 and 41.53

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Solution

The fourth proportional to 110.92, 166.39 and 41.53 is: 62.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.92 : 166.39 = 41.53 : x
  2. Step 2: Convert to fraction form
    110.92/166.39 = 41.53/x
  3. Step 3: Cross multiply
    110.92x = 166.39 × 41.53
  4. Step 4: Simplify right side
    110.92x = 6,909.97
  5. Step 5: Solve for x
    x = 6,909.97/110.92
  6. Step 6: Final answer
    x = 62.30

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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.