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Finding the Fourth Proportional to 195.38, 292.54 and 118.24

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Solution

The fourth proportional to 195.38, 292.54 and 118.24 is: 177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.38 : 292.54 = 118.24 : x
  2. Step 2: Convert to fraction form
    195.38/292.54 = 118.24/x
  3. Step 3: Cross multiply
    195.38x = 292.54 × 118.24
  4. Step 4: Simplify right side
    195.38x = 34,589.93
  5. Step 5: Solve for x
    x = 34,589.93/195.38
  6. Step 6: Final answer
    x = 177.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.