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Finding the Fourth Proportional to 112.06, 167.94 and 60.57

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Solution

The fourth proportional to 112.06, 167.94 and 60.57 is: 90.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.06 : 167.94 = 60.57 : x
  2. Step 2: Convert to fraction form
    112.06/167.94 = 60.57/x
  3. Step 3: Cross multiply
    112.06x = 167.94 × 60.57
  4. Step 4: Simplify right side
    112.06x = 10,172.13
  5. Step 5: Solve for x
    x = 10,172.13/112.06
  6. Step 6: Final answer
    x = 90.77

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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.