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Finding the Fourth Proportional to 73,153.44, 100,950 and 41,321.28

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Solution

The fourth proportional to 73,153.44, 100,950 and 41,321.28 is: 57,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,153.44 : 100,950 = 41,321.28 : x
  2. Step 2: Convert to fraction form
    73,153.44/100,950 = 41,321.28/x
  3. Step 3: Cross multiply
    73,153.44x = 100,950 × 41,321.28
  4. Step 4: Simplify right side
    73,153.44x = 4,171,383,216
  5. Step 5: Solve for x
    x = 4,171,383,216/73,153.44
  6. Step 6: Final answer
    x = 57,022.38

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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.