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Finding the Fourth Proportional to 195.35, 269.57 and 112.44

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Solution

The fourth proportional to 195.35, 269.57 and 112.44 is: 155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.35 : 269.57 = 112.44 : x
  2. Step 2: Convert to fraction form
    195.35/269.57 = 112.44/x
  3. Step 3: Cross multiply
    195.35x = 269.57 × 112.44
  4. Step 4: Simplify right side
    195.35x = 30,309.89
  5. Step 5: Solve for x
    x = 30,309.89/195.35
  6. Step 6: Final answer
    x = 155.16

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