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Finding the Fourth Proportional to 195.33, 269.43 and 125.32

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Solution

The fourth proportional to 195.33, 269.43 and 125.32 is: 172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.33 : 269.43 = 125.32 : x
  2. Step 2: Convert to fraction form
    195.33/269.43 = 125.32/x
  3. Step 3: Cross multiply
    195.33x = 269.43 × 125.32
  4. Step 4: Simplify right side
    195.33x = 33,763.62
  5. Step 5: Solve for x
    x = 33,763.62/195.33
  6. Step 6: Final answer
    x = 172.85

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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.