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Finding the Fourth Proportional to 444,783.25, 667,168.90 and 107,826.81

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Solution

The fourth proportional to 444,783.25, 667,168.90 and 107,826.81 is: 161,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,783.25 : 667,168.90 = 107,826.81 : x
  2. Step 2: Convert to fraction form
    444,783.25/667,168.90 = 107,826.81/x
  3. Step 3: Cross multiply
    444,783.25x = 667,168.90 × 107,826.81
  4. Step 4: Simplify right side
    444,783.25x = 71,938,694,218.21
  5. Step 5: Solve for x
    x = 71,938,694,218.21/444,783.25
  6. Step 6: Final answer
    x = 161,738.77

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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.