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Finding the Fourth Proportional to 61,178.44, 91,535.74 and 36,231.88

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Solution

The fourth proportional to 61,178.44, 91,535.74 and 36,231.88 is: 54,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.44 : 91,535.74 = 36,231.88 : x
  2. Step 2: Convert to fraction form
    61,178.44/91,535.74 = 36,231.88/x
  3. Step 3: Cross multiply
    61,178.44x = 91,535.74 × 36,231.88
  4. Step 4: Simplify right side
    61,178.44x = 3,316,511,947.39
  5. Step 5: Solve for x
    x = 3,316,511,947.39/61,178.44
  6. Step 6: Final answer
    x = 54,210.47

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