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Finding the Fourth Proportional to 82,499.70, 123,749.43 and 29,909.10

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Solution

The fourth proportional to 82,499.70, 123,749.43 and 29,909.10 is: 44,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,499.70 : 123,749.43 = 29,909.10 : x
  2. Step 2: Convert to fraction form
    82,499.70/123,749.43 = 29,909.10/x
  3. Step 3: Cross multiply
    82,499.70x = 123,749.43 × 29,909.10
  4. Step 4: Simplify right side
    82,499.70x = 3,701,234,076.81
  5. Step 5: Solve for x
    x = 3,701,234,076.81/82,499.70
  6. Step 6: Final answer
    x = 44,863.61

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