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Finding the Fourth Proportional to 49,857.80, 74,786.70 and 44,328.20

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Solution

The fourth proportional to 49,857.80, 74,786.70 and 44,328.20 is: 66,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.80 : 74,786.70 = 44,328.20 : x
  2. Step 2: Convert to fraction form
    49,857.80/74,786.70 = 44,328.20/x
  3. Step 3: Cross multiply
    49,857.80x = 74,786.70 × 44,328.20
  4. Step 4: Simplify right side
    49,857.80x = 3,315,159,794.94
  5. Step 5: Solve for x
    x = 3,315,159,794.94/49,857.80
  6. Step 6: Final answer
    x = 66,492.30

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