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Finding the Fourth Proportional to 115,940.40, 173,910.60 and 37,057.20

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Solution

The fourth proportional to 115,940.40, 173,910.60 and 37,057.20 is: 55,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,940.40 : 173,910.60 = 37,057.20 : x
  2. Step 2: Convert to fraction form
    115,940.40/173,910.60 = 37,057.20/x
  3. Step 3: Cross multiply
    115,940.40x = 173,910.60 × 37,057.20
  4. Step 4: Simplify right side
    115,940.40x = 6,444,639,886.32
  5. Step 5: Solve for x
    x = 6,444,639,886.32/115,940.40
  6. Step 6: Final answer
    x = 55,585.80

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