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Finding the Fourth Proportional to 167.48, 230.66 and 166.98

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Solution

The fourth proportional to 167.48, 230.66 and 166.98 is: 229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.48 : 230.66 = 166.98 : x
  2. Step 2: Convert to fraction form
    167.48/230.66 = 166.98/x
  3. Step 3: Cross multiply
    167.48x = 230.66 × 166.98
  4. Step 4: Simplify right side
    167.48x = 38,515.61
  5. Step 5: Solve for x
    x = 38,515.61/167.48
  6. Step 6: Final answer
    x = 229.97

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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.