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Finding the Fourth Proportional to 112,022.62, 154,520.57 and 66,666.75

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Solution

The fourth proportional to 112,022.62, 154,520.57 and 66,666.75 is: 91,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.62 : 154,520.57 = 66,666.75 : x
  2. Step 2: Convert to fraction form
    112,022.62/154,520.57 = 66,666.75/x
  3. Step 3: Cross multiply
    112,022.62x = 154,520.57 × 66,666.75
  4. Step 4: Simplify right side
    112,022.62x = 10,301,383,609.76
  5. Step 5: Solve for x
    x = 10,301,383,609.76/112,022.62
  6. Step 6: Final answer
    x = 91,958.07

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