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Finding the Fourth Proportional to 80,662.60, 111,314 and 44,850.48

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Solution

The fourth proportional to 80,662.60, 111,314 and 44,850.48 is: 61,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662.60 : 111,314 = 44,850.48 : x
  2. Step 2: Convert to fraction form
    80,662.60/111,314 = 44,850.48/x
  3. Step 3: Cross multiply
    80,662.60x = 111,314 × 44,850.48
  4. Step 4: Simplify right side
    80,662.60x = 4,992,486,330.72
  5. Step 5: Solve for x
    x = 4,992,486,330.72/80,662.60
  6. Step 6: Final answer
    x = 61,893.45

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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.