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Finding the Fourth Proportional to 112,296.45, 154,784.47 and 79,601.81

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Solution

The fourth proportional to 112,296.45, 154,784.47 and 79,601.81 is: 109,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.45 : 154,784.47 = 79,601.81 : x
  2. Step 2: Convert to fraction form
    112,296.45/154,784.47 = 79,601.81/x
  3. Step 3: Cross multiply
    112,296.45x = 154,784.47 × 79,601.81
  4. Step 4: Simplify right side
    112,296.45x = 12,321,123,573.88
  5. Step 5: Solve for x
    x = 12,321,123,573.88/112,296.45
  6. Step 6: Final answer
    x = 109,719.62

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