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Finding the Fourth Proportional to 266,589.02, 399,871.22 and 66,904.99

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Solution

The fourth proportional to 266,589.02, 399,871.22 and 66,904.99 is: 100,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,589.02 : 399,871.22 = 66,904.99 : x
  2. Step 2: Convert to fraction form
    266,589.02/399,871.22 = 66,904.99/x
  3. Step 3: Cross multiply
    266,589.02x = 399,871.22 × 66,904.99
  4. Step 4: Simplify right side
    266,589.02x = 26,753,378,641.18
  5. Step 5: Solve for x
    x = 26,753,378,641.18/266,589.02
  6. Step 6: Final answer
    x = 100,354.39

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