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Finding the Fourth Proportional to 78,791.20, 108,727.52 and 44,795

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Solution

The fourth proportional to 78,791.20, 108,727.52 and 44,795 is: 61,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,791.20 : 108,727.52 = 44,795 : x
  2. Step 2: Convert to fraction form
    78,791.20/108,727.52 = 44,795/x
  3. Step 3: Cross multiply
    78,791.20x = 108,727.52 × 44,795
  4. Step 4: Simplify right side
    78,791.20x = 4,870,449,258.40
  5. Step 5: Solve for x
    x = 4,870,449,258.40/78,791.20
  6. Step 6: Final answer
    x = 61,814.63

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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.