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Finding the Fourth Proportional to 82,786.80, 124,199.48 and 23,623.28

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Solution

The fourth proportional to 82,786.80, 124,199.48 and 23,623.28 is: 35,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,786.80 : 124,199.48 = 23,623.28 : x
  2. Step 2: Convert to fraction form
    82,786.80/124,199.48 = 23,623.28/x
  3. Step 3: Cross multiply
    82,786.80x = 124,199.48 × 23,623.28
  4. Step 4: Simplify right side
    82,786.80x = 2,933,999,091.89
  5. Step 5: Solve for x
    x = 2,933,999,091.89/82,786.80
  6. Step 6: Final answer
    x = 35,440.42

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