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Finding the Fourth Proportional to 140,197.12, 193,471.84 and 89,896

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Solution

The fourth proportional to 140,197.12, 193,471.84 and 89,896 is: 124,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,197.12 : 193,471.84 = 89,896 : x
  2. Step 2: Convert to fraction form
    140,197.12/193,471.84 = 89,896/x
  3. Step 3: Cross multiply
    140,197.12x = 193,471.84 × 89,896
  4. Step 4: Simplify right side
    140,197.12x = 17,392,344,528.64
  5. Step 5: Solve for x
    x = 17,392,344,528.64/140,197.12
  6. Step 6: Final answer
    x = 124,056.36

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