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Finding the Fourth Proportional to 161.14, 241.50 and 92.62

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Solution

The fourth proportional to 161.14, 241.50 and 92.62 is: 138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.14 : 241.50 = 92.62 : x
  2. Step 2: Convert to fraction form
    161.14/241.50 = 92.62/x
  3. Step 3: Cross multiply
    161.14x = 241.50 × 92.62
  4. Step 4: Simplify right side
    161.14x = 22,367.73
  5. Step 5: Solve for x
    x = 22,367.73/161.14
  6. Step 6: Final answer
    x = 138.81

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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.