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Finding the Fourth Proportional to 196.24, 294.13 and 104.92

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Solution

The fourth proportional to 196.24, 294.13 and 104.92 is: 157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.24 : 294.13 = 104.92 : x
  2. Step 2: Convert to fraction form
    196.24/294.13 = 104.92/x
  3. Step 3: Cross multiply
    196.24x = 294.13 × 104.92
  4. Step 4: Simplify right side
    196.24x = 30,860.12
  5. Step 5: Solve for x
    x = 30,860.12/196.24
  6. Step 6: Final answer
    x = 157.26

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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.