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Finding the Fourth Proportional to 106,324.40, 159,448.20 and 53,716.40

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Solution

The fourth proportional to 106,324.40, 159,448.20 and 53,716.40 is: 80,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,324.40 : 159,448.20 = 53,716.40 : x
  2. Step 2: Convert to fraction form
    106,324.40/159,448.20 = 53,716.40/x
  3. Step 3: Cross multiply
    106,324.40x = 159,448.20 × 53,716.40
  4. Step 4: Simplify right side
    106,324.40x = 8,564,983,290.48
  5. Step 5: Solve for x
    x = 8,564,983,290.48/106,324.40
  6. Step 6: Final answer
    x = 80,555.20

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