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Finding the Fourth Proportional to 101,321.75, 151,982.63 and 27,449.75

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Solution

The fourth proportional to 101,321.75, 151,982.63 and 27,449.75 is: 41,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,321.75 : 151,982.63 = 27,449.75 : x
  2. Step 2: Convert to fraction form
    101,321.75/151,982.63 = 27,449.75/x
  3. Step 3: Cross multiply
    101,321.75x = 151,982.63 × 27,449.75
  4. Step 4: Simplify right side
    101,321.75x = 4,171,885,197.84
  5. Step 5: Solve for x
    x = 4,171,885,197.84/101,321.75
  6. Step 6: Final answer
    x = 41,174.63

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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.