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Finding the Fourth Proportional to 96.41, 144.50 and 73.50

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Solution

The fourth proportional to 96.41, 144.50 and 73.50 is: 110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.41 : 144.50 = 73.50 : x
  2. Step 2: Convert to fraction form
    96.41/144.50 = 73.50/x
  3. Step 3: Cross multiply
    96.41x = 144.50 × 73.50
  4. Step 4: Simplify right side
    96.41x = 10,620.38
  5. Step 5: Solve for x
    x = 10,620.38/96.41
  6. Step 6: Final answer
    x = 110.16

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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.