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Finding the Fourth Proportional to 266,614.40, 399,775.80 and 108,664.40

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Solution

The fourth proportional to 266,614.40, 399,775.80 and 108,664.40 is: 162,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,614.40 : 399,775.80 = 108,664.40 : x
  2. Step 2: Convert to fraction form
    266,614.40/399,775.80 = 108,664.40/x
  3. Step 3: Cross multiply
    266,614.40x = 399,775.80 × 108,664.40
  4. Step 4: Simplify right side
    266,614.40x = 43,441,397,441.52
  5. Step 5: Solve for x
    x = 43,441,397,441.52/266,614.40
  6. Step 6: Final answer
    x = 162,937.18

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