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Finding the Fourth Proportional to 80,584.62, 111,208.76 and 44,285.79

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Solution

The fourth proportional to 80,584.62, 111,208.76 and 44,285.79 is: 61,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,584.62 : 111,208.76 = 44,285.79 : x
  2. Step 2: Convert to fraction form
    80,584.62/111,208.76 = 44,285.79/x
  3. Step 3: Cross multiply
    80,584.62x = 111,208.76 × 44,285.79
  4. Step 4: Simplify right side
    80,584.62x = 4,924,967,791.52
  5. Step 5: Solve for x
    x = 4,924,967,791.52/80,584.62
  6. Step 6: Final answer
    x = 61,115.48

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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.