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Finding the Fourth Proportional to 122,131.52, 168,592.32 and 83,945.84

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Solution

The fourth proportional to 122,131.52, 168,592.32 and 83,945.84 is: 115,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,131.52 : 168,592.32 = 83,945.84 : x
  2. Step 2: Convert to fraction form
    122,131.52/168,592.32 = 83,945.84/x
  3. Step 3: Cross multiply
    122,131.52x = 168,592.32 × 83,945.84
  4. Step 4: Simplify right side
    122,131.52x = 14,152,623,919.95
  5. Step 5: Solve for x
    x = 14,152,623,919.95/122,131.52
  6. Step 6: Final answer
    x = 115,880.19

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