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Finding the Fourth Proportional to 167.34, 250.97 and 75.98

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Solution

The fourth proportional to 167.34, 250.97 and 75.98 is: 113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.34 : 250.97 = 75.98 : x
  2. Step 2: Convert to fraction form
    167.34/250.97 = 75.98/x
  3. Step 3: Cross multiply
    167.34x = 250.97 × 75.98
  4. Step 4: Simplify right side
    167.34x = 19,068.95
  5. Step 5: Solve for x
    x = 19,068.95/167.34
  6. Step 6: Final answer
    x = 113.95

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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.