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Finding the Fourth Proportional to 122,578.84, 183,879.42 and 47,704.60

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Solution

The fourth proportional to 122,578.84, 183,879.42 and 47,704.60 is: 71,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,578.84 : 183,879.42 = 47,704.60 : x
  2. Step 2: Convert to fraction form
    122,578.84/183,879.42 = 47,704.60/x
  3. Step 3: Cross multiply
    122,578.84x = 183,879.42 × 47,704.60
  4. Step 4: Simplify right side
    122,578.84x = 8,771,894,179.33
  5. Step 5: Solve for x
    x = 8,771,894,179.33/122,578.84
  6. Step 6: Final answer
    x = 71,561.24

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