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Finding the Fourth Proportional to 55,591.80, 83,190.72 and 49,030.80

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Solution

The fourth proportional to 55,591.80, 83,190.72 and 49,030.80 is: 73,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.80 : 83,190.72 = 49,030.80 : x
  2. Step 2: Convert to fraction form
    55,591.80/83,190.72 = 49,030.80/x
  3. Step 3: Cross multiply
    55,591.80x = 83,190.72 × 49,030.80
  4. Step 4: Simplify right side
    55,591.80x = 4,078,907,554.18
  5. Step 5: Solve for x
    x = 4,078,907,554.18/55,591.80
  6. Step 6: Final answer
    x = 73,372.47

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