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Finding the Fourth Proportional to 136,364.01, 188,215.43 and 78,994.03

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Solution

The fourth proportional to 136,364.01, 188,215.43 and 78,994.03 is: 109,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364.01 : 188,215.43 = 78,994.03 : x
  2. Step 2: Convert to fraction form
    136,364.01/188,215.43 = 78,994.03/x
  3. Step 3: Cross multiply
    136,364.01x = 188,215.43 × 78,994.03
  4. Step 4: Simplify right side
    136,364.01x = 14,867,895,323.88
  5. Step 5: Solve for x
    x = 14,867,895,323.88/136,364.01
  6. Step 6: Final answer
    x = 109,030.93

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