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Finding the Fourth Proportional to 113,715.77, 156,978.20 and 73,449.17

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Solution

The fourth proportional to 113,715.77, 156,978.20 and 73,449.17 is: 101,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,715.77 : 156,978.20 = 73,449.17 : x
  2. Step 2: Convert to fraction form
    113,715.77/156,978.20 = 73,449.17/x
  3. Step 3: Cross multiply
    113,715.77x = 156,978.20 × 73,449.17
  4. Step 4: Simplify right side
    113,715.77x = 11,529,918,498.09
  5. Step 5: Solve for x
    x = 11,529,918,498.09/113,715.77
  6. Step 6: Final answer
    x = 101,392.43

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