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Finding the Fourth Proportional to 97.42, 146.12 and 24.29

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Solution

The fourth proportional to 97.42, 146.12 and 24.29 is: 36.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.42 : 146.12 = 24.29 : x
  2. Step 2: Convert to fraction form
    97.42/146.12 = 24.29/x
  3. Step 3: Cross multiply
    97.42x = 146.12 × 24.29
  4. Step 4: Simplify right side
    97.42x = 3,549.25
  5. Step 5: Solve for x
    x = 3,549.25/97.42
  6. Step 6: Final answer
    x = 36.43

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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.