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Finding the Fourth Proportional to 79,797.22, 110,118.80 and 43,990.56

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Solution

The fourth proportional to 79,797.22, 110,118.80 and 43,990.56 is: 60,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.22 : 110,118.80 = 43,990.56 : x
  2. Step 2: Convert to fraction form
    79,797.22/110,118.80 = 43,990.56/x
  3. Step 3: Cross multiply
    79,797.22x = 110,118.80 × 43,990.56
  4. Step 4: Simplify right side
    79,797.22x = 4,844,188,201.45
  5. Step 5: Solve for x
    x = 4,844,188,201.45/79,797.22
  6. Step 6: Final answer
    x = 60,706.23

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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.