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Finding the Fourth Proportional to 122,274.88, 183,464.16 and 66,806.08

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Solution

The fourth proportional to 122,274.88, 183,464.16 and 66,806.08 is: 100,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,274.88 : 183,464.16 = 66,806.08 : x
  2. Step 2: Convert to fraction form
    122,274.88/183,464.16 = 66,806.08/x
  3. Step 3: Cross multiply
    122,274.88x = 183,464.16 × 66,806.08
  4. Step 4: Simplify right side
    122,274.88x = 12,256,521,350.09
  5. Step 5: Solve for x
    x = 12,256,521,350.09/122,274.88
  6. Step 6: Final answer
    x = 100,237.44

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