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Finding the Fourth Proportional to 110.92, 166.40 and 62.17

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Solution

The fourth proportional to 110.92, 166.40 and 62.17 is: 93.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.92 : 166.40 = 62.17 : x
  2. Step 2: Convert to fraction form
    110.92/166.40 = 62.17/x
  3. Step 3: Cross multiply
    110.92x = 166.40 × 62.17
  4. Step 4: Simplify right side
    110.92x = 10,345.09
  5. Step 5: Solve for x
    x = 10,345.09/110.92
  6. Step 6: Final answer
    x = 93.27

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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.