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Finding the Fourth Proportional to 140,299.53, 193,613.34 and 75,768.76

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Solution

The fourth proportional to 140,299.53, 193,613.34 and 75,768.76 is: 104,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,299.53 : 193,613.34 = 75,768.76 : x
  2. Step 2: Convert to fraction form
    140,299.53/193,613.34 = 75,768.76/x
  3. Step 3: Cross multiply
    140,299.53x = 193,613.34 × 75,768.76
  4. Step 4: Simplify right side
    140,299.53x = 14,669,843,217.41
  5. Step 5: Solve for x
    x = 14,669,843,217.41/140,299.53
  6. Step 6: Final answer
    x = 104,560.88

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