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Finding the Fourth Proportional to 195.68, 269.99 and 116.96

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Solution

The fourth proportional to 195.68, 269.99 and 116.96 is: 161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.68 : 269.99 = 116.96 : x
  2. Step 2: Convert to fraction form
    195.68/269.99 = 116.96/x
  3. Step 3: Cross multiply
    195.68x = 269.99 × 116.96
  4. Step 4: Simplify right side
    195.68x = 31,578.03
  5. Step 5: Solve for x
    x = 31,578.03/195.68
  6. Step 6: Final answer
    x = 161.38

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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.