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Finding the Fourth Proportional to 72,474.24, 108,918.72 and 35,564.16

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Solution

The fourth proportional to 72,474.24, 108,918.72 and 35,564.16 is: 53,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,474.24 : 108,918.72 = 35,564.16 : x
  2. Step 2: Convert to fraction form
    72,474.24/108,918.72 = 35,564.16/x
  3. Step 3: Cross multiply
    72,474.24x = 108,918.72 × 35,564.16
  4. Step 4: Simplify right side
    72,474.24x = 3,873,602,785.08
  5. Step 5: Solve for x
    x = 3,873,602,785.08/72,474.24
  6. Step 6: Final answer
    x = 53,447.99

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