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Finding the Fourth Proportional to 80,072.44, 110,496.54 and 43,773.22

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Solution

The fourth proportional to 80,072.44, 110,496.54 and 43,773.22 is: 60,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072.44 : 110,496.54 = 43,773.22 : x
  2. Step 2: Convert to fraction form
    80,072.44/110,496.54 = 43,773.22/x
  3. Step 3: Cross multiply
    80,072.44x = 110,496.54 × 43,773.22
  4. Step 4: Simplify right side
    80,072.44x = 4,836,789,410.70
  5. Step 5: Solve for x
    x = 4,836,789,410.70/80,072.44
  6. Step 6: Final answer
    x = 60,405.17

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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.