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Finding the Fourth Proportional to 124,911.26, 172,433.84 and 79,650.08

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Solution

The fourth proportional to 124,911.26, 172,433.84 and 79,650.08 is: 109,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.26 : 172,433.84 = 79,650.08 : x
  2. Step 2: Convert to fraction form
    124,911.26/172,433.84 = 79,650.08/x
  3. Step 3: Cross multiply
    124,911.26x = 172,433.84 × 79,650.08
  4. Step 4: Simplify right side
    124,911.26x = 13,734,369,183.54
  5. Step 5: Solve for x
    x = 13,734,369,183.54/124,911.26
  6. Step 6: Final answer
    x = 109,953.01

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