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Finding the Fourth Proportional to 96.14, 144.08 and 35.21

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Solution

The fourth proportional to 96.14, 144.08 and 35.21 is: 52.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.14 : 144.08 = 35.21 : x
  2. Step 2: Convert to fraction form
    96.14/144.08 = 35.21/x
  3. Step 3: Cross multiply
    96.14x = 144.08 × 35.21
  4. Step 4: Simplify right side
    96.14x = 5,073.33
  5. Step 5: Solve for x
    x = 5,073.33/96.14
  6. Step 6: Final answer
    x = 52.77

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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.