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Finding the Fourth Proportional to 101,800.32, 140,443.20 and 73,443.84

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Solution

The fourth proportional to 101,800.32, 140,443.20 and 73,443.84 is: 101,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,800.32 : 140,443.20 = 73,443.84 : x
  2. Step 2: Convert to fraction form
    101,800.32/140,443.20 = 73,443.84/x
  3. Step 3: Cross multiply
    101,800.32x = 140,443.20 × 73,443.84
  4. Step 4: Simplify right side
    101,800.32x = 10,314,687,909.89
  5. Step 5: Solve for x
    x = 10,314,687,909.89/101,800.32
  6. Step 6: Final answer
    x = 101,322.75

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