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Finding the Fourth Proportional to 110.68, 166.02 and 62.92

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Solution

The fourth proportional to 110.68, 166.02 and 62.92 is: 94.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.68 : 166.02 = 62.92 : x
  2. Step 2: Convert to fraction form
    110.68/166.02 = 62.92/x
  3. Step 3: Cross multiply
    110.68x = 166.02 × 62.92
  4. Step 4: Simplify right side
    110.68x = 10,445.98
  5. Step 5: Solve for x
    x = 10,445.98/110.68
  6. Step 6: Final answer
    x = 94.38

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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.