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Finding the Fourth Proportional to 122,873.88, 169,503.78 and 71,853.24

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Solution

The fourth proportional to 122,873.88, 169,503.78 and 71,853.24 is: 99,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873.88 : 169,503.78 = 71,853.24 : x
  2. Step 2: Convert to fraction form
    122,873.88/169,503.78 = 71,853.24/x
  3. Step 3: Cross multiply
    122,873.88x = 169,503.78 × 71,853.24
  4. Step 4: Simplify right side
    122,873.88x = 12,179,395,785.25
  5. Step 5: Solve for x
    x = 12,179,395,785.25/122,873.88
  6. Step 6: Final answer
    x = 99,121.11

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