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Finding the Fourth Proportional to 280,839.44, 421,259.16 and 93,850.94

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Solution

The fourth proportional to 280,839.44, 421,259.16 and 93,850.94 is: 140,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,839.44 : 421,259.16 = 93,850.94 : x
  2. Step 2: Convert to fraction form
    280,839.44/421,259.16 = 93,850.94/x
  3. Step 3: Cross multiply
    280,839.44x = 421,259.16 × 93,850.94
  4. Step 4: Simplify right side
    280,839.44x = 39,535,566,861.84
  5. Step 5: Solve for x
    x = 39,535,566,861.84/280,839.44
  6. Step 6: Final answer
    x = 140,776.41

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