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Finding the Fourth Proportional to 96.46, 144.63 and 67.51

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Solution

The fourth proportional to 96.46, 144.63 and 67.51 is: 101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.46 : 144.63 = 67.51 : x
  2. Step 2: Convert to fraction form
    96.46/144.63 = 67.51/x
  3. Step 3: Cross multiply
    96.46x = 144.63 × 67.51
  4. Step 4: Simplify right side
    96.46x = 9,763.97
  5. Step 5: Solve for x
    x = 9,763.97/96.46
  6. Step 6: Final answer
    x = 101.22

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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.