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Finding the Fourth Proportional to 195.22, 292.85 and 50.95

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Solution

The fourth proportional to 195.22, 292.85 and 50.95 is: 76.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.22 : 292.85 = 50.95 : x
  2. Step 2: Convert to fraction form
    195.22/292.85 = 50.95/x
  3. Step 3: Cross multiply
    195.22x = 292.85 × 50.95
  4. Step 4: Simplify right side
    195.22x = 14,918.99
  5. Step 5: Solve for x
    x = 14,918.99/195.22
  6. Step 6: Final answer
    x = 76.42

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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.