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Finding the Fourth Proportional to 73,694.89, 101,698.45 and 41,863.79

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Solution

The fourth proportional to 73,694.89, 101,698.45 and 41,863.79 is: 57,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.89 : 101,698.45 = 41,863.79 : x
  2. Step 2: Convert to fraction form
    73,694.89/101,698.45 = 41,863.79/x
  3. Step 3: Cross multiply
    73,694.89x = 101,698.45 × 41,863.79
  4. Step 4: Simplify right side
    73,694.89x = 4,257,482,767.86
  5. Step 5: Solve for x
    x = 4,257,482,767.86/73,694.89
  6. Step 6: Final answer
    x = 57,771.75

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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.