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Finding the Fourth Proportional to 96.11, 144.39 and 61.94

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Solution

The fourth proportional to 96.11, 144.39 and 61.94 is: 93.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.11 : 144.39 = 61.94 : x
  2. Step 2: Convert to fraction form
    96.11/144.39 = 61.94/x
  3. Step 3: Cross multiply
    96.11x = 144.39 × 61.94
  4. Step 4: Simplify right side
    96.11x = 8,943.52
  5. Step 5: Solve for x
    x = 8,943.52/96.11
  6. Step 6: Final answer
    x = 93.06

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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.