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Finding the Fourth Proportional to 79,109.98, 109,172 and 43,300.28

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Solution

The fourth proportional to 79,109.98, 109,172 and 43,300.28 is: 59,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,109.98 : 109,172 = 43,300.28 : x
  2. Step 2: Convert to fraction form
    79,109.98/109,172 = 43,300.28/x
  3. Step 3: Cross multiply
    79,109.98x = 109,172 × 43,300.28
  4. Step 4: Simplify right side
    79,109.98x = 4,727,178,168.16
  5. Step 5: Solve for x
    x = 4,727,178,168.16/79,109.98
  6. Step 6: Final answer
    x = 59,754.51

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