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Finding the Fourth Proportional to 168.19, 232.20 and 110.07

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Solution

The fourth proportional to 168.19, 232.20 and 110.07 is: 151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.19 : 232.20 = 110.07 : x
  2. Step 2: Convert to fraction form
    168.19/232.20 = 110.07/x
  3. Step 3: Cross multiply
    168.19x = 232.20 × 110.07
  4. Step 4: Simplify right side
    168.19x = 25,558.25
  5. Step 5: Solve for x
    x = 25,558.25/168.19
  6. Step 6: Final answer
    x = 151.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.