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Finding the Fourth Proportional to 79,782.72, 110,091.24 and 45,782.16

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Solution

The fourth proportional to 79,782.72, 110,091.24 and 45,782.16 is: 63,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.72 : 110,091.24 = 45,782.16 : x
  2. Step 2: Convert to fraction form
    79,782.72/110,091.24 = 45,782.16/x
  3. Step 3: Cross multiply
    79,782.72x = 110,091.24 × 45,782.16
  4. Step 4: Simplify right side
    79,782.72x = 5,040,214,764.28
  5. Step 5: Solve for x
    x = 5,040,214,764.28/79,782.72
  6. Step 6: Final answer
    x = 63,174.27

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