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Finding the Fourth Proportional to 54,728.96, 82,118.93 and 53,844.44

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Solution

The fourth proportional to 54,728.96, 82,118.93 and 53,844.44 is: 80,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.96 : 82,118.93 = 53,844.44 : x
  2. Step 2: Convert to fraction form
    54,728.96/82,118.93 = 53,844.44/x
  3. Step 3: Cross multiply
    54,728.96x = 82,118.93 × 53,844.44
  4. Step 4: Simplify right side
    54,728.96x = 4,421,647,119.43
  5. Step 5: Solve for x
    x = 4,421,647,119.43/54,728.96
  6. Step 6: Final answer
    x = 80,791.73

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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.