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Finding the Fourth Proportional to 263,029.20, 394,705.80 and 113,341.20

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Solution

The fourth proportional to 263,029.20, 394,705.80 and 113,341.20 is: 170,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,029.20 : 394,705.80 = 113,341.20 : x
  2. Step 2: Convert to fraction form
    263,029.20/394,705.80 = 113,341.20/x
  3. Step 3: Cross multiply
    263,029.20x = 394,705.80 × 113,341.20
  4. Step 4: Simplify right side
    263,029.20x = 44,736,429,018.96
  5. Step 5: Solve for x
    x = 44,736,429,018.96/263,029.20
  6. Step 6: Final answer
    x = 170,081.61

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