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Finding the Fourth Proportional to 444,112.12, 666,161.99 and 107,149.94

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Solution

The fourth proportional to 444,112.12, 666,161.99 and 107,149.94 is: 160,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,112.12 : 666,161.99 = 107,149.94 : x
  2. Step 2: Convert to fraction form
    444,112.12/666,161.99 = 107,149.94/x
  3. Step 3: Cross multiply
    444,112.12x = 666,161.99 × 107,149.94
  4. Step 4: Simplify right side
    444,112.12x = 71,379,219,192.06
  5. Step 5: Solve for x
    x = 71,379,219,192.06/444,112.12
  6. Step 6: Final answer
    x = 160,723.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.