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Finding the Fourth Proportional to 108,615.13, 149,860.73 and 65,560.59

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Solution

The fourth proportional to 108,615.13, 149,860.73 and 65,560.59 is: 90,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,615.13 : 149,860.73 = 65,560.59 : x
  2. Step 2: Convert to fraction form
    108,615.13/149,860.73 = 65,560.59/x
  3. Step 3: Cross multiply
    108,615.13x = 149,860.73 × 65,560.59
  4. Step 4: Simplify right side
    108,615.13x = 9,824,958,040.53
  5. Step 5: Solve for x
    x = 9,824,958,040.53/108,615.13
  6. Step 6: Final answer
    x = 90,456.63

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