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Finding the Fourth Proportional to 195.98, 294.08 and 104.66

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Solution

The fourth proportional to 195.98, 294.08 and 104.66 is: 157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.98 : 294.08 = 104.66 : x
  2. Step 2: Convert to fraction form
    195.98/294.08 = 104.66/x
  3. Step 3: Cross multiply
    195.98x = 294.08 × 104.66
  4. Step 4: Simplify right side
    195.98x = 30,776.42
  5. Step 5: Solve for x
    x = 30,776.42/195.98
  6. Step 6: Final answer
    x = 157.04

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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.