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Finding the Fourth Proportional to 217.24, 326.01 and 95.46

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Solution

The fourth proportional to 217.24, 326.01 and 95.46 is: 143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.24 : 326.01 = 95.46 : x
  2. Step 2: Convert to fraction form
    217.24/326.01 = 95.46/x
  3. Step 3: Cross multiply
    217.24x = 326.01 × 95.46
  4. Step 4: Simplify right side
    217.24x = 31,121.75
  5. Step 5: Solve for x
    x = 31,121.75/217.24
  6. Step 6: Final answer
    x = 143.26

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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.