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Finding the Fourth Proportional to 195.12, 268.60 and 170.44

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Solution

The fourth proportional to 195.12, 268.60 and 170.44 is: 234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.12 : 268.60 = 170.44 : x
  2. Step 2: Convert to fraction form
    195.12/268.60 = 170.44/x
  3. Step 3: Cross multiply
    195.12x = 268.60 × 170.44
  4. Step 4: Simplify right side
    195.12x = 45,780.18
  5. Step 5: Solve for x
    x = 45,780.18/195.12
  6. Step 6: Final answer
    x = 234.63

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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.