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Finding the Fourth Proportional to 101,321.70, 151,982.67 and 26,441.79

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Solution

The fourth proportional to 101,321.70, 151,982.67 and 26,441.79 is: 39,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,321.70 : 151,982.67 = 26,441.79 : x
  2. Step 2: Convert to fraction form
    101,321.70/151,982.67 = 26,441.79/x
  3. Step 3: Cross multiply
    101,321.70x = 151,982.67 × 26,441.79
  4. Step 4: Simplify right side
    101,321.70x = 4,018,693,843.78
  5. Step 5: Solve for x
    x = 4,018,693,843.78/101,321.70
  6. Step 6: Final answer
    x = 39,662.72

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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.