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Finding the Fourth Proportional to 121,590.19, 167,797.11 and 67,142.21

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Solution

The fourth proportional to 121,590.19, 167,797.11 and 67,142.21 is: 92,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,590.19 : 167,797.11 = 67,142.21 : x
  2. Step 2: Convert to fraction form
    121,590.19/167,797.11 = 67,142.21/x
  3. Step 3: Cross multiply
    121,590.19x = 167,797.11 × 67,142.21
  4. Step 4: Simplify right side
    121,590.19x = 11,266,268,797.01
  5. Step 5: Solve for x
    x = 11,266,268,797.01/121,590.19
  6. Step 6: Final answer
    x = 92,657.71

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