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Finding the Fourth Proportional to 49,914.54, 74,851.02 and 20,312.28

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Solution

The fourth proportional to 49,914.54, 74,851.02 and 20,312.28 is: 30,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,914.54 : 74,851.02 = 20,312.28 : x
  2. Step 2: Convert to fraction form
    49,914.54/74,851.02 = 20,312.28/x
  3. Step 3: Cross multiply
    49,914.54x = 74,851.02 × 20,312.28
  4. Step 4: Simplify right side
    49,914.54x = 1,520,394,876.53
  5. Step 5: Solve for x
    x = 1,520,394,876.53/49,914.54
  6. Step 6: Final answer
    x = 30,459.96

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