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Finding the Fourth Proportional to 110.56, 166.03 and 92.26

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Solution

The fourth proportional to 110.56, 166.03 and 92.26 is: 138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.56 : 166.03 = 92.26 : x
  2. Step 2: Convert to fraction form
    110.56/166.03 = 92.26/x
  3. Step 3: Cross multiply
    110.56x = 166.03 × 92.26
  4. Step 4: Simplify right side
    110.56x = 15,317.93
  5. Step 5: Solve for x
    x = 15,317.93/110.56
  6. Step 6: Final answer
    x = 138.55

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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.