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Finding the Fourth Proportional to 73,182.85, 100,991.01 and 41,351.06

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Solution

The fourth proportional to 73,182.85, 100,991.01 and 41,351.06 is: 57,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.85 : 100,991.01 = 41,351.06 : x
  2. Step 2: Convert to fraction form
    73,182.85/100,991.01 = 41,351.06/x
  3. Step 3: Cross multiply
    73,182.85x = 100,991.01 × 41,351.06
  4. Step 4: Simplify right side
    73,182.85x = 4,176,085,313.97
  5. Step 5: Solve for x
    x = 4,176,085,313.97/73,182.85
  6. Step 6: Final answer
    x = 57,063.72

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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.