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Finding the Fourth Proportional to 109,224.26, 163,626.47 and 66,981.16

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Solution

The fourth proportional to 109,224.26, 163,626.47 and 66,981.16 is: 100,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.26 : 163,626.47 = 66,981.16 : x
  2. Step 2: Convert to fraction form
    109,224.26/163,626.47 = 66,981.16/x
  3. Step 3: Cross multiply
    109,224.26x = 163,626.47 × 66,981.16
  4. Step 4: Simplify right side
    109,224.26x = 10,959,890,767.31
  5. Step 5: Solve for x
    x = 10,959,890,767.31/109,224.26
  6. Step 6: Final answer
    x = 100,343.01

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