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Finding the Fourth Proportional to 96.04, 144.06 and 84.52

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Solution

The fourth proportional to 96.04, 144.06 and 84.52 is: 126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.04 : 144.06 = 84.52 : x
  2. Step 2: Convert to fraction form
    96.04/144.06 = 84.52/x
  3. Step 3: Cross multiply
    96.04x = 144.06 × 84.52
  4. Step 4: Simplify right side
    96.04x = 12,175.95
  5. Step 5: Solve for x
    x = 12,175.95/96.04
  6. Step 6: Final answer
    x = 126.78

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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.