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Finding the Fourth Proportional to 307,836.80, 461,755.20 and 97,491.20

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Solution

The fourth proportional to 307,836.80, 461,755.20 and 97,491.20 is: 146,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836.80 : 461,755.20 = 97,491.20 : x
  2. Step 2: Convert to fraction form
    307,836.80/461,755.20 = 97,491.20/x
  3. Step 3: Cross multiply
    307,836.80x = 461,755.20 × 97,491.20
  4. Step 4: Simplify right side
    307,836.80x = 45,017,068,554.24
  5. Step 5: Solve for x
    x = 45,017,068,554.24/307,836.80
  6. Step 6: Final answer
    x = 146,236.80

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