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Finding the Fourth Proportional to 72,755.51, 108,930.48 and 37,140.21

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Solution

The fourth proportional to 72,755.51, 108,930.48 and 37,140.21 is: 55,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,755.51 : 108,930.48 = 37,140.21 : x
  2. Step 2: Convert to fraction form
    72,755.51/108,930.48 = 37,140.21/x
  3. Step 3: Cross multiply
    72,755.51x = 108,930.48 × 37,140.21
  4. Step 4: Simplify right side
    72,755.51x = 4,045,700,902.60
  5. Step 5: Solve for x
    x = 4,045,700,902.60/72,755.51
  6. Step 6: Final answer
    x = 55,606.80

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