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Finding the Fourth Proportional to 73,150.97, 100,956.56 and 41,321.92

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Solution

The fourth proportional to 73,150.97, 100,956.56 and 41,321.92 is: 57,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,150.97 : 100,956.56 = 41,321.92 : x
  2. Step 2: Convert to fraction form
    73,150.97/100,956.56 = 41,321.92/x
  3. Step 3: Cross multiply
    73,150.97x = 100,956.56 × 41,321.92
  4. Step 4: Simplify right side
    73,150.97x = 4,171,718,436.79
  5. Step 5: Solve for x
    x = 4,171,718,436.79/73,150.97
  6. Step 6: Final answer
    x = 57,028.89

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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.