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Finding the Fourth Proportional to 96.38, 144.36 and 94.08

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Solution

The fourth proportional to 96.38, 144.36 and 94.08 is: 140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.38 : 144.36 = 94.08 : x
  2. Step 2: Convert to fraction form
    96.38/144.36 = 94.08/x
  3. Step 3: Cross multiply
    96.38x = 144.36 × 94.08
  4. Step 4: Simplify right side
    96.38x = 13,581.39
  5. Step 5: Solve for x
    x = 13,581.39/96.38
  6. Step 6: Final answer
    x = 140.92

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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.