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Finding the Fourth Proportional to 195.07, 269.14 and 112.14

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Solution

The fourth proportional to 195.07, 269.14 and 112.14 is: 154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.07 : 269.14 = 112.14 : x
  2. Step 2: Convert to fraction form
    195.07/269.14 = 112.14/x
  3. Step 3: Cross multiply
    195.07x = 269.14 × 112.14
  4. Step 4: Simplify right side
    195.07x = 30,181.57
  5. Step 5: Solve for x
    x = 30,181.57/195.07
  6. Step 6: Final answer
    x = 154.72

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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.