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Finding the Fourth Proportional to 73,015.91, 100,763.11 and 41,185.44

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Solution

The fourth proportional to 73,015.91, 100,763.11 and 41,185.44 is: 56,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,015.91 : 100,763.11 = 41,185.44 : x
  2. Step 2: Convert to fraction form
    73,015.91/100,763.11 = 41,185.44/x
  3. Step 3: Cross multiply
    73,015.91x = 100,763.11 × 41,185.44
  4. Step 4: Simplify right side
    73,015.91x = 4,149,973,021.12
  5. Step 5: Solve for x
    x = 4,149,973,021.12/73,015.91
  6. Step 6: Final answer
    x = 56,836.56

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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.