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Finding the Fourth Proportional to 113,105.97, 156,041.51 and 65,350.53

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Solution

The fourth proportional to 113,105.97, 156,041.51 and 65,350.53 is: 90,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,105.97 : 156,041.51 = 65,350.53 : x
  2. Step 2: Convert to fraction form
    113,105.97/156,041.51 = 65,350.53/x
  3. Step 3: Cross multiply
    113,105.97x = 156,041.51 × 65,350.53
  4. Step 4: Simplify right side
    113,105.97x = 10,197,395,053.75
  5. Step 5: Solve for x
    x = 10,197,395,053.75/113,105.97
  6. Step 6: Final answer
    x = 90,157.89

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