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Finding the Fourth Proportional to 167.27, 251.20 and 152.99

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Solution

The fourth proportional to 167.27, 251.20 and 152.99 is: 229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.27 : 251.20 = 152.99 : x
  2. Step 2: Convert to fraction form
    167.27/251.20 = 152.99/x
  3. Step 3: Cross multiply
    167.27x = 251.20 × 152.99
  4. Step 4: Simplify right side
    167.27x = 38,430.97
  5. Step 5: Solve for x
    x = 38,430.97/167.27
  6. Step 6: Final answer
    x = 229.76

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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.