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Finding the Fourth Proportional to 80,173.53, 110,623.77 and 44,356.86

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Solution

The fourth proportional to 80,173.53, 110,623.77 and 44,356.86 is: 61,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.53 : 110,623.77 = 44,356.86 : x
  2. Step 2: Convert to fraction form
    80,173.53/110,623.77 = 44,356.86/x
  3. Step 3: Cross multiply
    80,173.53x = 110,623.77 × 44,356.86
  4. Step 4: Simplify right side
    80,173.53x = 4,906,923,078.56
  5. Step 5: Solve for x
    x = 4,906,923,078.56/80,173.53
  6. Step 6: Final answer
    x = 61,203.78

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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.