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Finding the Fourth Proportional to 96.12, 144.21 and 35.26

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Solution

The fourth proportional to 96.12, 144.21 and 35.26 is: 52.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.12 : 144.21 = 35.26 : x
  2. Step 2: Convert to fraction form
    96.12/144.21 = 35.26/x
  3. Step 3: Cross multiply
    96.12x = 144.21 × 35.26
  4. Step 4: Simplify right side
    96.12x = 5,083.95
  5. Step 5: Solve for x
    x = 5,083.95/96.12
  6. Step 6: Final answer
    x = 52.89

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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.