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Finding the Fourth Proportional to 112.33, 167.52 and 106.27

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Solution

The fourth proportional to 112.33, 167.52 and 106.27 is: 158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.33 : 167.52 = 106.27 : x
  2. Step 2: Convert to fraction form
    112.33/167.52 = 106.27/x
  3. Step 3: Cross multiply
    112.33x = 167.52 × 106.27
  4. Step 4: Simplify right side
    112.33x = 17,802.35
  5. Step 5: Solve for x
    x = 17,802.35/112.33
  6. Step 6: Final answer
    x = 158.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.