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Finding the Fourth Proportional to 121,640.12, 167,861.78 and 67,926.08

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Solution

The fourth proportional to 121,640.12, 167,861.78 and 67,926.08 is: 93,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,640.12 : 167,861.78 = 67,926.08 : x
  2. Step 2: Convert to fraction form
    121,640.12/167,861.78 = 67,926.08/x
  3. Step 3: Cross multiply
    121,640.12x = 167,861.78 × 67,926.08
  4. Step 4: Simplify right side
    121,640.12x = 11,402,192,697.22
  5. Step 5: Solve for x
    x = 11,402,192,697.22/121,640.12
  6. Step 6: Final answer
    x = 93,737.10

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