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Finding the Fourth Proportional to 54,188.80, 81,244.80 and 24,620.80

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Solution

The fourth proportional to 54,188.80, 81,244.80 and 24,620.80 is: 36,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.80 : 81,244.80 = 24,620.80 : x
  2. Step 2: Convert to fraction form
    54,188.80/81,244.80 = 24,620.80/x
  3. Step 3: Cross multiply
    54,188.80x = 81,244.80 × 24,620.80
  4. Step 4: Simplify right side
    54,188.80x = 2,000,311,971.84
  5. Step 5: Solve for x
    x = 2,000,311,971.84/54,188.80
  6. Step 6: Final answer
    x = 36,913.75

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