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Finding the Fourth Proportional to 72,336.44, 108,528.42 and 25,578.92

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Solution

The fourth proportional to 72,336.44, 108,528.42 and 25,578.92 is: 38,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.44 : 108,528.42 = 25,578.92 : x
  2. Step 2: Convert to fraction form
    72,336.44/108,528.42 = 25,578.92/x
  3. Step 3: Cross multiply
    72,336.44x = 108,528.42 × 25,578.92
  4. Step 4: Simplify right side
    72,336.44x = 2,776,039,772.91
  5. Step 5: Solve for x
    x = 2,776,039,772.91/72,336.44
  6. Step 6: Final answer
    x = 38,376.78

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