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Finding the Fourth Proportional to 72,131.67, 108,036.18 and 41,699.57

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Solution

The fourth proportional to 72,131.67, 108,036.18 and 41,699.57 is: 62,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,131.67 : 108,036.18 = 41,699.57 : x
  2. Step 2: Convert to fraction form
    72,131.67/108,036.18 = 41,699.57/x
  3. Step 3: Cross multiply
    72,131.67x = 108,036.18 × 41,699.57
  4. Step 4: Simplify right side
    72,131.67x = 4,505,061,710.26
  5. Step 5: Solve for x
    x = 4,505,061,710.26/72,131.67
  6. Step 6: Final answer
    x = 62,456.08

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