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Finding the Fourth Proportional to 79,616.36, 109,873.20 and 45,631.28

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Solution

The fourth proportional to 79,616.36, 109,873.20 and 45,631.28 is: 62,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,616.36 : 109,873.20 = 45,631.28 : x
  2. Step 2: Convert to fraction form
    79,616.36/109,873.20 = 45,631.28/x
  3. Step 3: Cross multiply
    79,616.36x = 109,873.20 × 45,631.28
  4. Step 4: Simplify right side
    79,616.36x = 5,013,654,753.70
  5. Step 5: Solve for x
    x = 5,013,654,753.70/79,616.36
  6. Step 6: Final answer
    x = 62,972.67

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