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Finding the Fourth Proportional to 97.96, 146.89 and 29.48

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Solution

The fourth proportional to 97.96, 146.89 and 29.48 is: 44.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.96 : 146.89 = 29.48 : x
  2. Step 2: Convert to fraction form
    97.96/146.89 = 29.48/x
  3. Step 3: Cross multiply
    97.96x = 146.89 × 29.48
  4. Step 4: Simplify right side
    97.96x = 4,329.58
  5. Step 5: Solve for x
    x = 4,329.58/97.96
  6. Step 6: Final answer
    x = 44.20

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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.