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Finding the Fourth Proportional to 96.49, 144.59 and 73.25

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Solution

The fourth proportional to 96.49, 144.59 and 73.25 is: 109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.49 : 144.59 = 73.25 : x
  2. Step 2: Convert to fraction form
    96.49/144.59 = 73.25/x
  3. Step 3: Cross multiply
    96.49x = 144.59 × 73.25
  4. Step 4: Simplify right side
    96.49x = 10,590.88
  5. Step 5: Solve for x
    x = 10,590.88/96.49
  6. Step 6: Final answer
    x = 109.77

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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.