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Finding the Fourth Proportional to 195.41, 268.98 and 167.75

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Solution

The fourth proportional to 195.41, 268.98 and 167.75 is: 230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.41 : 268.98 = 167.75 : x
  2. Step 2: Convert to fraction form
    195.41/268.98 = 167.75/x
  3. Step 3: Cross multiply
    195.41x = 268.98 × 167.75
  4. Step 4: Simplify right side
    195.41x = 45,121.40
  5. Step 5: Solve for x
    x = 45,121.40/195.41
  6. Step 6: Final answer
    x = 230.91

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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.