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Finding the Fourth Proportional to 111,992.24, 168,029.28 and 52,048.40

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Solution

The fourth proportional to 111,992.24, 168,029.28 and 52,048.40 is: 78,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992.24 : 168,029.28 = 52,048.40 : x
  2. Step 2: Convert to fraction form
    111,992.24/168,029.28 = 52,048.40/x
  3. Step 3: Cross multiply
    111,992.24x = 168,029.28 × 52,048.40
  4. Step 4: Simplify right side
    111,992.24x = 8,745,655,177.15
  5. Step 5: Solve for x
    x = 8,745,655,177.15/111,992.24
  6. Step 6: Final answer
    x = 78,091.62

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