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Finding the Fourth Proportional to 96.24, 144.29 and 73.47

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Solution

The fourth proportional to 96.24, 144.29 and 73.47 is: 110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.24 : 144.29 = 73.47 : x
  2. Step 2: Convert to fraction form
    96.24/144.29 = 73.47/x
  3. Step 3: Cross multiply
    96.24x = 144.29 × 73.47
  4. Step 4: Simplify right side
    96.24x = 10,600.62
  5. Step 5: Solve for x
    x = 10,600.62/96.24
  6. Step 6: Final answer
    x = 110.15

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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.