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Finding the Fourth Proportional to 195.67, 293.43 and 73.92

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Solution

The fourth proportional to 195.67, 293.43 and 73.92 is: 110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.67 : 293.43 = 73.92 : x
  2. Step 2: Convert to fraction form
    195.67/293.43 = 73.92/x
  3. Step 3: Cross multiply
    195.67x = 293.43 × 73.92
  4. Step 4: Simplify right side
    195.67x = 21,690.35
  5. Step 5: Solve for x
    x = 21,690.35/195.67
  6. Step 6: Final answer
    x = 110.85

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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.