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Finding the Fourth Proportional to 195.06, 292.56 and 113.85

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Solution

The fourth proportional to 195.06, 292.56 and 113.85 is: 170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.06 : 292.56 = 113.85 : x
  2. Step 2: Convert to fraction form
    195.06/292.56 = 113.85/x
  3. Step 3: Cross multiply
    195.06x = 292.56 × 113.85
  4. Step 4: Simplify right side
    195.06x = 33,307.96
  5. Step 5: Solve for x
    x = 33,307.96/195.06
  6. Step 6: Final answer
    x = 170.76

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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.