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Finding the Fourth Proportional to 309,388.70, 464,083.46 and 84,751.11

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Solution

The fourth proportional to 309,388.70, 464,083.46 and 84,751.11 is: 127,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,388.70 : 464,083.46 = 84,751.11 : x
  2. Step 2: Convert to fraction form
    309,388.70/464,083.46 = 84,751.11/x
  3. Step 3: Cross multiply
    309,388.70x = 464,083.46 × 84,751.11
  4. Step 4: Simplify right side
    309,388.70x = 39,331,588,367.64
  5. Step 5: Solve for x
    x = 39,331,588,367.64/309,388.70
  6. Step 6: Final answer
    x = 127,126.78

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