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Finding the Fourth Proportional to 74,896.49, 103,357.93 and 40,905.95

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Solution

The fourth proportional to 74,896.49, 103,357.93 and 40,905.95 is: 56,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896.49 : 103,357.93 = 40,905.95 : x
  2. Step 2: Convert to fraction form
    74,896.49/103,357.93 = 40,905.95/x
  3. Step 3: Cross multiply
    74,896.49x = 103,357.93 × 40,905.95
  4. Step 4: Simplify right side
    74,896.49x = 4,227,954,316.68
  5. Step 5: Solve for x
    x = 4,227,954,316.68/74,896.49
  6. Step 6: Final answer
    x = 56,450.64

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