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Finding the Fourth Proportional to 96.41, 144.47 and 62.12

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Solution

The fourth proportional to 96.41, 144.47 and 62.12 is: 93.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.41 : 144.47 = 62.12 : x
  2. Step 2: Convert to fraction form
    96.41/144.47 = 62.12/x
  3. Step 3: Cross multiply
    96.41x = 144.47 × 62.12
  4. Step 4: Simplify right side
    96.41x = 8,974.99
  5. Step 5: Solve for x
    x = 8,974.99/96.41
  6. Step 6: Final answer
    x = 93.09

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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.