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Finding the Fourth Proportional to 122,729.80, 183,965.10 and 70,025.80

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Solution

The fourth proportional to 122,729.80, 183,965.10 and 70,025.80 is: 104,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,729.80 : 183,965.10 = 70,025.80 : x
  2. Step 2: Convert to fraction form
    122,729.80/183,965.10 = 70,025.80/x
  3. Step 3: Cross multiply
    122,729.80x = 183,965.10 × 70,025.80
  4. Step 4: Simplify right side
    122,729.80x = 12,882,303,299.58
  5. Step 5: Solve for x
    x = 12,882,303,299.58/122,729.80
  6. Step 6: Final answer
    x = 104,964.75

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