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Finding the Fourth Proportional to 104.93, 144.69 and 96.11

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Solution

The fourth proportional to 104.93, 144.69 and 96.11 is: 132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.93 : 144.69 = 96.11 : x
  2. Step 2: Convert to fraction form
    104.93/144.69 = 96.11/x
  3. Step 3: Cross multiply
    104.93x = 144.69 × 96.11
  4. Step 4: Simplify right side
    104.93x = 13,906.16
  5. Step 5: Solve for x
    x = 13,906.16/104.93
  6. Step 6: Final answer
    x = 132.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.