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Finding the Fourth Proportional to 61,478.33, 84,837.83 and 34,253.78

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Solution

The fourth proportional to 61,478.33, 84,837.83 and 34,253.78 is: 47,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,478.33 : 84,837.83 = 34,253.78 : x
  2. Step 2: Convert to fraction form
    61,478.33/84,837.83 = 34,253.78/x
  3. Step 3: Cross multiply
    61,478.33x = 84,837.83 × 34,253.78
  4. Step 4: Simplify right side
    61,478.33x = 2,906,015,769.04
  5. Step 5: Solve for x
    x = 2,906,015,769.04/61,478.33
  6. Step 6: Final answer
    x = 47,268.95

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