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Finding the Fourth Proportional to 121,709.08, 167,965.02 and 67,995.28

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Solution

The fourth proportional to 121,709.08, 167,965.02 and 67,995.28 is: 93,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,709.08 : 167,965.02 = 67,995.28 : x
  2. Step 2: Convert to fraction form
    121,709.08/167,965.02 = 67,995.28/x
  3. Step 3: Cross multiply
    121,709.08x = 167,965.02 × 67,995.28
  4. Step 4: Simplify right side
    121,709.08x = 11,420,828,565.11
  5. Step 5: Solve for x
    x = 11,420,828,565.11/121,709.08
  6. Step 6: Final answer
    x = 93,837.11

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