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Finding the Fourth Proportional to 367.25, 550.96 and 161.85

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Solution

The fourth proportional to 367.25, 550.96 and 161.85 is: 242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.25 : 550.96 = 161.85 : x
  2. Step 2: Convert to fraction form
    367.25/550.96 = 161.85/x
  3. Step 3: Cross multiply
    367.25x = 550.96 × 161.85
  4. Step 4: Simplify right side
    367.25x = 89,174.66
  5. Step 5: Solve for x
    x = 89,174.66/367.25
  6. Step 6: Final answer
    x = 242.82

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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.