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Finding the Fourth Proportional to 112.14, 167.76 and 94.82

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Solution

The fourth proportional to 112.14, 167.76 and 94.82 is: 141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.14 : 167.76 = 94.82 : x
  2. Step 2: Convert to fraction form
    112.14/167.76 = 94.82/x
  3. Step 3: Cross multiply
    112.14x = 167.76 × 94.82
  4. Step 4: Simplify right side
    112.14x = 15,907.00
  5. Step 5: Solve for x
    x = 15,907.00/112.14
  6. Step 6: Final answer
    x = 141.85

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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.