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Finding the Fourth Proportional to 266,000.12, 399,147.06 and 108,339.56

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Solution

The fourth proportional to 266,000.12, 399,147.06 and 108,339.56 is: 162,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,000.12 : 399,147.06 = 108,339.56 : x
  2. Step 2: Convert to fraction form
    266,000.12/399,147.06 = 108,339.56/x
  3. Step 3: Cross multiply
    266,000.12x = 399,147.06 × 108,339.56
  4. Step 4: Simplify right side
    266,000.12x = 43,243,416,855.69
  5. Step 5: Solve for x
    x = 43,243,416,855.69/266,000.12
  6. Step 6: Final answer
    x = 162,569.16

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