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Finding the Fourth Proportional to 136,833.60, 205,151.04 and 92,350.56

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Solution

The fourth proportional to 136,833.60, 205,151.04 and 92,350.56 is: 138,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,833.60 : 205,151.04 = 92,350.56 : x
  2. Step 2: Convert to fraction form
    136,833.60/205,151.04 = 92,350.56/x
  3. Step 3: Cross multiply
    136,833.60x = 205,151.04 × 92,350.56
  4. Step 4: Simplify right side
    136,833.60x = 18,945,813,428.58
  5. Step 5: Solve for x
    x = 18,945,813,428.58/136,833.60
  6. Step 6: Final answer
    x = 138,458.78

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