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Finding the Fourth Proportional to 111.83, 167.66 and 60.44

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Solution

The fourth proportional to 111.83, 167.66 and 60.44 is: 90.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.83 : 167.66 = 60.44 : x
  2. Step 2: Convert to fraction form
    111.83/167.66 = 60.44/x
  3. Step 3: Cross multiply
    111.83x = 167.66 × 60.44
  4. Step 4: Simplify right side
    111.83x = 10,133.37
  5. Step 5: Solve for x
    x = 10,133.37/111.83
  6. Step 6: Final answer
    x = 90.61

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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.