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Finding the Fourth Proportional to 79,090.17, 109,141.79 and 43,277.78

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Solution

The fourth proportional to 79,090.17, 109,141.79 and 43,277.78 is: 59,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,090.17 : 109,141.79 = 43,277.78 : x
  2. Step 2: Convert to fraction form
    79,090.17/109,141.79 = 43,277.78/x
  3. Step 3: Cross multiply
    79,090.17x = 109,141.79 × 43,277.78
  4. Step 4: Simplify right side
    79,090.17x = 4,723,413,614.33
  5. Step 5: Solve for x
    x = 4,723,413,614.33/79,090.17
  6. Step 6: Final answer
    x = 59,721.88

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