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Finding the Fourth Proportional to 195.24, 292.59 and 126.73

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Solution

The fourth proportional to 195.24, 292.59 and 126.73 is: 189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.24 : 292.59 = 126.73 : x
  2. Step 2: Convert to fraction form
    195.24/292.59 = 126.73/x
  3. Step 3: Cross multiply
    195.24x = 292.59 × 126.73
  4. Step 4: Simplify right side
    195.24x = 37,079.20
  5. Step 5: Solve for x
    x = 37,079.20/195.24
  6. Step 6: Final answer
    x = 189.92

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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.