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Finding the Fourth Proportional to 96.23, 144.41 and 44.91

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Solution

The fourth proportional to 96.23, 144.41 and 44.91 is: 67.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.23 : 144.41 = 44.91 : x
  2. Step 2: Convert to fraction form
    96.23/144.41 = 44.91/x
  3. Step 3: Cross multiply
    96.23x = 144.41 × 44.91
  4. Step 4: Simplify right side
    96.23x = 6,485.45
  5. Step 5: Solve for x
    x = 6,485.45/96.23
  6. Step 6: Final answer
    x = 67.40

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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.