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Finding the Fourth Proportional to 55,072.48, 76,034.64 and 36,241.60

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Solution

The fourth proportional to 55,072.48, 76,034.64 and 36,241.60 is: 50,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.48 : 76,034.64 = 36,241.60 : x
  2. Step 2: Convert to fraction form
    55,072.48/76,034.64 = 36,241.60/x
  3. Step 3: Cross multiply
    55,072.48x = 76,034.64 × 36,241.60
  4. Step 4: Simplify right side
    55,072.48x = 2,755,617,009.02
  5. Step 5: Solve for x
    x = 2,755,617,009.02/55,072.48
  6. Step 6: Final answer
    x = 50,036.19

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