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Finding the Fourth Proportional to 140,666.22, 211,986.72 and 126,640.26

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Solution

The fourth proportional to 140,666.22, 211,986.72 and 126,640.26 is: 190,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.22 : 211,986.72 = 126,640.26 : x
  2. Step 2: Convert to fraction form
    140,666.22/211,986.72 = 126,640.26/x
  3. Step 3: Cross multiply
    140,666.22x = 211,986.72 × 126,640.26
  4. Step 4: Simplify right side
    140,666.22x = 26,846,053,337.35
  5. Step 5: Solve for x
    x = 26,846,053,337.35/140,666.22
  6. Step 6: Final answer
    x = 190,849.33

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