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Finding the Fourth Proportional to 54,151.68, 81,234.24 and 19,084.32

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Solution

The fourth proportional to 54,151.68, 81,234.24 and 19,084.32 is: 28,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.68 : 81,234.24 = 19,084.32 : x
  2. Step 2: Convert to fraction form
    54,151.68/81,234.24 = 19,084.32/x
  3. Step 3: Cross multiply
    54,151.68x = 81,234.24 × 19,084.32
  4. Step 4: Simplify right side
    54,151.68x = 1,550,300,231.12
  5. Step 5: Solve for x
    x = 1,550,300,231.12/54,151.68
  6. Step 6: Final answer
    x = 28,628.85

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