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Finding the Fourth Proportional to 80,206.90, 110,686.50 and 44,400.22

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Solution

The fourth proportional to 80,206.90, 110,686.50 and 44,400.22 is: 61,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206.90 : 110,686.50 = 44,400.22 : x
  2. Step 2: Convert to fraction form
    80,206.90/110,686.50 = 44,400.22/x
  3. Step 3: Cross multiply
    80,206.90x = 110,686.50 × 44,400.22
  4. Step 4: Simplify right side
    80,206.90x = 4,914,504,951.03
  5. Step 5: Solve for x
    x = 4,914,504,951.03/80,206.90
  6. Step 6: Final answer
    x = 61,272.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.