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Finding the Fourth Proportional to 54,208.81, 81,320.96 and 16,772.08

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Solution

The fourth proportional to 54,208.81, 81,320.96 and 16,772.08 is: 25,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,208.81 : 81,320.96 = 16,772.08 : x
  2. Step 2: Convert to fraction form
    54,208.81/81,320.96 = 16,772.08/x
  3. Step 3: Cross multiply
    54,208.81x = 81,320.96 × 16,772.08
  4. Step 4: Simplify right side
    54,208.81x = 1,363,921,646.80
  5. Step 5: Solve for x
    x = 1,363,921,646.80/54,208.81
  6. Step 6: Final answer
    x = 25,160.52

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