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Finding the Fourth Proportional to 167.27, 229.60 and 148.43

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Solution

The fourth proportional to 167.27, 229.60 and 148.43 is: 203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.27 : 229.60 = 148.43 : x
  2. Step 2: Convert to fraction form
    167.27/229.60 = 148.43/x
  3. Step 3: Cross multiply
    167.27x = 229.60 × 148.43
  4. Step 4: Simplify right side
    167.27x = 34,079.45
  5. Step 5: Solve for x
    x = 34,079.45/167.27
  6. Step 6: Final answer
    x = 203.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.