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Finding the Fourth Proportional to 444,931.56, 667,391.77 and 107,975

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Solution

The fourth proportional to 444,931.56, 667,391.77 and 107,975 is: 161,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,931.56 : 667,391.77 = 107,975 : x
  2. Step 2: Convert to fraction form
    444,931.56/667,391.77 = 107,975/x
  3. Step 3: Cross multiply
    444,931.56x = 667,391.77 × 107,975
  4. Step 4: Simplify right side
    444,931.56x = 72,061,626,365.75
  5. Step 5: Solve for x
    x = 72,061,626,365.75/444,931.56
  6. Step 6: Final answer
    x = 161,961.15

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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.