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Finding the Fourth Proportional to 71,726.80, 107,513.40 and 32,277.20

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Solution

The fourth proportional to 71,726.80, 107,513.40 and 32,277.20 is: 48,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,726.80 : 107,513.40 = 32,277.20 : x
  2. Step 2: Convert to fraction form
    71,726.80/107,513.40 = 32,277.20/x
  3. Step 3: Cross multiply
    71,726.80x = 107,513.40 × 32,277.20
  4. Step 4: Simplify right side
    71,726.80x = 3,470,231,514.48
  5. Step 5: Solve for x
    x = 3,470,231,514.48/71,726.80
  6. Step 6: Final answer
    x = 48,381.24

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