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Finding the Fourth Proportional to 109,883.78, 164,960.24 and 72,475.14

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Solution

The fourth proportional to 109,883.78, 164,960.24 and 72,475.14 is: 108,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,883.78 : 164,960.24 = 72,475.14 : x
  2. Step 2: Convert to fraction form
    109,883.78/164,960.24 = 72,475.14/x
  3. Step 3: Cross multiply
    109,883.78x = 164,960.24 × 72,475.14
  4. Step 4: Simplify right side
    109,883.78x = 11,955,516,126.06
  5. Step 5: Solve for x
    x = 11,955,516,126.06/109,883.78
  6. Step 6: Final answer
    x = 108,801.47

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