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Finding the Fourth Proportional to 195.53, 293.21 and 92.73

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Solution

The fourth proportional to 195.53, 293.21 and 92.73 is: 139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.53 : 293.21 = 92.73 : x
  2. Step 2: Convert to fraction form
    195.53/293.21 = 92.73/x
  3. Step 3: Cross multiply
    195.53x = 293.21 × 92.73
  4. Step 4: Simplify right side
    195.53x = 27,188.90
  5. Step 5: Solve for x
    x = 27,188.90/195.53
  6. Step 6: Final answer
    x = 139.05

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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.