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Finding the Fourth Proportional to 110.80, 166.08 and 62.02

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Solution

The fourth proportional to 110.80, 166.08 and 62.02 is: 92.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.80 : 166.08 = 62.02 : x
  2. Step 2: Convert to fraction form
    110.80/166.08 = 62.02/x
  3. Step 3: Cross multiply
    110.80x = 166.08 × 62.02
  4. Step 4: Simplify right side
    110.80x = 10,300.28
  5. Step 5: Solve for x
    x = 10,300.28/110.80
  6. Step 6: Final answer
    x = 92.96

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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.