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Finding the Fourth Proportional to 162.27, 243.50 and 110.97

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Solution

The fourth proportional to 162.27, 243.50 and 110.97 is: 166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.27 : 243.50 = 110.97 : x
  2. Step 2: Convert to fraction form
    162.27/243.50 = 110.97/x
  3. Step 3: Cross multiply
    162.27x = 243.50 × 110.97
  4. Step 4: Simplify right side
    162.27x = 27,020.64
  5. Step 5: Solve for x
    x = 27,020.64/162.27
  6. Step 6: Final answer
    x = 166.52

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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.