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Finding the Fourth Proportional to 136,695.96, 188,641.98 and 77,079.96

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Solution

The fourth proportional to 136,695.96, 188,641.98 and 77,079.96 is: 106,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,695.96 : 188,641.98 = 77,079.96 : x
  2. Step 2: Convert to fraction form
    136,695.96/188,641.98 = 77,079.96/x
  3. Step 3: Cross multiply
    136,695.96x = 188,641.98 × 77,079.96
  4. Step 4: Simplify right side
    136,695.96x = 14,540,516,272.72
  5. Step 5: Solve for x
    x = 14,540,516,272.72/136,695.96
  6. Step 6: Final answer
    x = 106,371.22

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