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Finding the Fourth Proportional to 160,198.74, 240,334.56 and 85,279.41

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Solution

The fourth proportional to 160,198.74, 240,334.56 and 85,279.41 is: 127,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,198.74 : 240,334.56 = 85,279.41 : x
  2. Step 2: Convert to fraction form
    160,198.74/240,334.56 = 85,279.41/x
  3. Step 3: Cross multiply
    160,198.74x = 240,334.56 × 85,279.41
  4. Step 4: Simplify right side
    160,198.74x = 20,495,589,479.41
  5. Step 5: Solve for x
    x = 20,495,589,479.41/160,198.74
  6. Step 6: Final answer
    x = 127,938.52

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