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Finding the Fourth Proportional to 167.37, 250.90 and 126.97

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Solution

The fourth proportional to 167.37, 250.90 and 126.97 is: 190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.37 : 250.90 = 126.97 : x
  2. Step 2: Convert to fraction form
    167.37/250.90 = 126.97/x
  3. Step 3: Cross multiply
    167.37x = 250.90 × 126.97
  4. Step 4: Simplify right side
    167.37x = 31,855.83
  5. Step 5: Solve for x
    x = 31,855.83/167.37
  6. Step 6: Final answer
    x = 190.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.