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Finding the Fourth Proportional to 195, 269.10 and 132.84

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Solution

The fourth proportional to 195, 269.10 and 132.84 is: 183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195 : 269.10 = 132.84 : x
  2. Step 2: Convert to fraction form
    195/269.10 = 132.84/x
  3. Step 3: Cross multiply
    195x = 269.10 × 132.84
  4. Step 4: Simplify right side
    195x = 35,747.24
  5. Step 5: Solve for x
    x = 35,747.24/195
  6. Step 6: Final answer
    x = 183.32

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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.