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Finding the Fourth Proportional to 195.32, 268.82 and 167.38

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Solution

The fourth proportional to 195.32, 268.82 and 167.38 is: 230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.32 : 268.82 = 167.38 : x
  2. Step 2: Convert to fraction form
    195.32/268.82 = 167.38/x
  3. Step 3: Cross multiply
    195.32x = 268.82 × 167.38
  4. Step 4: Simplify right side
    195.32x = 44,994.17
  5. Step 5: Solve for x
    x = 44,994.17/195.32
  6. Step 6: Final answer
    x = 230.36

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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.