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Finding the Fourth Proportional to 167.84, 251.88 and 95.72

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Solution

The fourth proportional to 167.84, 251.88 and 95.72 is: 143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.84 : 251.88 = 95.72 : x
  2. Step 2: Convert to fraction form
    167.84/251.88 = 95.72/x
  3. Step 3: Cross multiply
    167.84x = 251.88 × 95.72
  4. Step 4: Simplify right side
    167.84x = 24,109.95
  5. Step 5: Solve for x
    x = 24,109.95/167.84
  6. Step 6: Final answer
    x = 143.65

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