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Finding the Fourth Proportional to 80,766.78, 111,458.16 and 44,956.02

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Solution

The fourth proportional to 80,766.78, 111,458.16 and 44,956.02 is: 62,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,766.78 : 111,458.16 = 44,956.02 : x
  2. Step 2: Convert to fraction form
    80,766.78/111,458.16 = 44,956.02/x
  3. Step 3: Cross multiply
    80,766.78x = 111,458.16 × 44,956.02
  4. Step 4: Simplify right side
    80,766.78x = 5,010,715,270.12
  5. Step 5: Solve for x
    x = 5,010,715,270.12/80,766.78
  6. Step 6: Final answer
    x = 62,039.31

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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.