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Finding the Fourth Proportional to 195.52, 293.27 and 79.94

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Solution

The fourth proportional to 195.52, 293.27 and 79.94 is: 119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.52 : 293.27 = 79.94 : x
  2. Step 2: Convert to fraction form
    195.52/293.27 = 79.94/x
  3. Step 3: Cross multiply
    195.52x = 293.27 × 79.94
  4. Step 4: Simplify right side
    195.52x = 23,442.14
  5. Step 5: Solve for x
    x = 23,442.14/195.52
  6. Step 6: Final answer
    x = 119.90

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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.