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Finding the Fourth Proportional to 113,519.98, 156,638.82 and 68,807.98

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Solution

The fourth proportional to 113,519.98, 156,638.82 and 68,807.98 is: 94,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.98 : 156,638.82 = 68,807.98 : x
  2. Step 2: Convert to fraction form
    113,519.98/156,638.82 = 68,807.98/x
  3. Step 3: Cross multiply
    113,519.98x = 156,638.82 × 68,807.98
  4. Step 4: Simplify right side
    113,519.98x = 10,778,000,793.78
  5. Step 5: Solve for x
    x = 10,778,000,793.78/113,519.98
  6. Step 6: Final answer
    x = 94,943.65

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