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Finding the Fourth Proportional to 110.76, 166.02 and 62.63

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Solution

The fourth proportional to 110.76, 166.02 and 62.63 is: 93.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.76 : 166.02 = 62.63 : x
  2. Step 2: Convert to fraction form
    110.76/166.02 = 62.63/x
  3. Step 3: Cross multiply
    110.76x = 166.02 × 62.63
  4. Step 4: Simplify right side
    110.76x = 10,397.83
  5. Step 5: Solve for x
    x = 10,397.83/110.76
  6. Step 6: Final answer
    x = 93.88

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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.