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Finding the Fourth Proportional to 73,013.78, 100,750.56 and 41,183.21

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Solution

The fourth proportional to 73,013.78, 100,750.56 and 41,183.21 is: 56,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,013.78 : 100,750.56 = 41,183.21 : x
  2. Step 2: Convert to fraction form
    73,013.78/100,750.56 = 41,183.21/x
  3. Step 3: Cross multiply
    73,013.78x = 100,750.56 × 41,183.21
  4. Step 4: Simplify right side
    73,013.78x = 4,149,231,470.10
  5. Step 5: Solve for x
    x = 4,149,231,470.10/73,013.78
  6. Step 6: Final answer
    x = 56,828.06

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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.