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Finding the Fourth Proportional to 110.95, 166.20 and 62.22

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Solution

The fourth proportional to 110.95, 166.20 and 62.22 is: 93.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.95 : 166.20 = 62.22 : x
  2. Step 2: Convert to fraction form
    110.95/166.20 = 62.22/x
  3. Step 3: Cross multiply
    110.95x = 166.20 × 62.22
  4. Step 4: Simplify right side
    110.95x = 10,340.96
  5. Step 5: Solve for x
    x = 10,340.96/110.95
  6. Step 6: Final answer
    x = 93.20

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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.