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Finding the Fourth Proportional to 168.89, 232.36 and 164.33

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Solution

The fourth proportional to 168.89, 232.36 and 164.33 is: 226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.89 : 232.36 = 164.33 : x
  2. Step 2: Convert to fraction form
    168.89/232.36 = 164.33/x
  3. Step 3: Cross multiply
    168.89x = 232.36 × 164.33
  4. Step 4: Simplify right side
    168.89x = 38,182.15
  5. Step 5: Solve for x
    x = 38,182.15/168.89
  6. Step 6: Final answer
    x = 226.08

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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.