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Finding the Fourth Proportional to 217,196.09, 325,845.16 and 67,428.71

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Solution

The fourth proportional to 217,196.09, 325,845.16 and 67,428.71 is: 101,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,196.09 : 325,845.16 = 67,428.71 : x
  2. Step 2: Convert to fraction form
    217,196.09/325,845.16 = 67,428.71/x
  3. Step 3: Cross multiply
    217,196.09x = 325,845.16 × 67,428.71
  4. Step 4: Simplify right side
    217,196.09x = 21,971,317,000.75
  5. Step 5: Solve for x
    x = 21,971,317,000.75/217,196.09
  6. Step 6: Final answer
    x = 101,158.90

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