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Finding the Fourth Proportional to 167.77, 230.92 and 126.37

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Solution

The fourth proportional to 167.77, 230.92 and 126.37 is: 173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.77 : 230.92 = 126.37 : x
  2. Step 2: Convert to fraction form
    167.77/230.92 = 126.37/x
  3. Step 3: Cross multiply
    167.77x = 230.92 × 126.37
  4. Step 4: Simplify right side
    167.77x = 29,181.36
  5. Step 5: Solve for x
    x = 29,181.36/167.77
  6. Step 6: Final answer
    x = 173.94

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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.