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Finding the Fourth Proportional to 167.26, 230.85 and 114.91

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Solution

The fourth proportional to 167.26, 230.85 and 114.91 is: 158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.26 : 230.85 = 114.91 : x
  2. Step 2: Convert to fraction form
    167.26/230.85 = 114.91/x
  3. Step 3: Cross multiply
    167.26x = 230.85 × 114.91
  4. Step 4: Simplify right side
    167.26x = 26,526.97
  5. Step 5: Solve for x
    x = 26,526.97/167.26
  6. Step 6: Final answer
    x = 158.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.