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Finding the Fourth Proportional to 196.67, 294.96 and 104.06

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Solution

The fourth proportional to 196.67, 294.96 and 104.06 is: 156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.67 : 294.96 = 104.06 : x
  2. Step 2: Convert to fraction form
    196.67/294.96 = 104.06/x
  3. Step 3: Cross multiply
    196.67x = 294.96 × 104.06
  4. Step 4: Simplify right side
    196.67x = 30,693.54
  5. Step 5: Solve for x
    x = 30,693.54/196.67
  6. Step 6: Final answer
    x = 156.07

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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.