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Finding the Fourth Proportional to 195.10, 292.22 and 133.96

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Solution

The fourth proportional to 195.10, 292.22 and 133.96 is: 200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.10 : 292.22 = 133.96 : x
  2. Step 2: Convert to fraction form
    195.10/292.22 = 133.96/x
  3. Step 3: Cross multiply
    195.10x = 292.22 × 133.96
  4. Step 4: Simplify right side
    195.10x = 39,145.79
  5. Step 5: Solve for x
    x = 39,145.79/195.10
  6. Step 6: Final answer
    x = 200.64

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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.