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Finding the Fourth Proportional to 106,309.27, 159,464.13 and 99,813.88

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Solution

The fourth proportional to 106,309.27, 159,464.13 and 99,813.88 is: 149,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,309.27 : 159,464.13 = 99,813.88 : x
  2. Step 2: Convert to fraction form
    106,309.27/159,464.13 = 99,813.88/x
  3. Step 3: Cross multiply
    106,309.27x = 159,464.13 × 99,813.88
  4. Step 4: Simplify right side
    106,309.27x = 15,916,733,536.12
  5. Step 5: Solve for x
    x = 15,916,733,536.12/106,309.27
  6. Step 6: Final answer
    x = 149,721.03

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