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Finding the Fourth Proportional to 195.26, 292.91 and 67.02

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Solution

The fourth proportional to 195.26, 292.91 and 67.02 is: 100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.26 : 292.91 = 67.02 : x
  2. Step 2: Convert to fraction form
    195.26/292.91 = 67.02/x
  3. Step 3: Cross multiply
    195.26x = 292.91 × 67.02
  4. Step 4: Simplify right side
    195.26x = 19,630.83
  5. Step 5: Solve for x
    x = 19,630.83/195.26
  6. Step 6: Final answer
    x = 100.54

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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.