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Finding the Fourth Proportional to 195.73, 270 and 116.97

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Solution

The fourth proportional to 195.73, 270 and 116.97 is: 161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.73 : 270 = 116.97 : x
  2. Step 2: Convert to fraction form
    195.73/270 = 116.97/x
  3. Step 3: Cross multiply
    195.73x = 270 × 116.97
  4. Step 4: Simplify right side
    195.73x = 31,580.89
  5. Step 5: Solve for x
    x = 31,580.89/195.73
  6. Step 6: Final answer
    x = 161.35

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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.