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Finding the Fourth Proportional to 112,021.40, 168,032.10 and 100,940.60

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Solution

The fourth proportional to 112,021.40, 168,032.10 and 100,940.60 is: 151,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.40 : 168,032.10 = 100,940.60 : x
  2. Step 2: Convert to fraction form
    112,021.40/168,032.10 = 100,940.60/x
  3. Step 3: Cross multiply
    112,021.40x = 168,032.10 × 100,940.60
  4. Step 4: Simplify right side
    112,021.40x = 16,961,260,993.26
  5. Step 5: Solve for x
    x = 16,961,260,993.26/112,021.40
  6. Step 6: Final answer
    x = 151,410.90

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