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Finding the Fourth Proportional to 167.69, 252.48 and 148.54

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Solution

The fourth proportional to 167.69, 252.48 and 148.54 is: 223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.69 : 252.48 = 148.54 : x
  2. Step 2: Convert to fraction form
    167.69/252.48 = 148.54/x
  3. Step 3: Cross multiply
    167.69x = 252.48 × 148.54
  4. Step 4: Simplify right side
    167.69x = 37,503.38
  5. Step 5: Solve for x
    x = 37,503.38/167.69
  6. Step 6: Final answer
    x = 223.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.