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Finding the Fourth Proportional to 79,438.40, 109,625.64 and 43,628.84

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Solution

The fourth proportional to 79,438.40, 109,625.64 and 43,628.84 is: 60,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.40 : 109,625.64 = 43,628.84 : x
  2. Step 2: Convert to fraction form
    79,438.40/109,625.64 = 43,628.84/x
  3. Step 3: Cross multiply
    79,438.40x = 109,625.64 × 43,628.84
  4. Step 4: Simplify right side
    79,438.40x = 4,782,839,507.46
  5. Step 5: Solve for x
    x = 4,782,839,507.46/79,438.40
  6. Step 6: Final answer
    x = 60,208.16

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