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Finding the Fourth Proportional to 73,131.12, 109,712.34 and 23,215.14

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Solution

The fourth proportional to 73,131.12, 109,712.34 and 23,215.14 is: 34,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,131.12 : 109,712.34 = 23,215.14 : x
  2. Step 2: Convert to fraction form
    73,131.12/109,712.34 = 23,215.14/x
  3. Step 3: Cross multiply
    73,131.12x = 109,712.34 × 23,215.14
  4. Step 4: Simplify right side
    73,131.12x = 2,546,987,332.83
  5. Step 5: Solve for x
    x = 2,546,987,332.83/73,131.12
  6. Step 6: Final answer
    x = 34,827.68

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