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Finding the Fourth Proportional to 82,012.35, 123,000.05 and 29,421.83

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Solution

The fourth proportional to 82,012.35, 123,000.05 and 29,421.83 is: 44,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,012.35 : 123,000.05 = 29,421.83 : x
  2. Step 2: Convert to fraction form
    82,012.35/123,000.05 = 29,421.83/x
  3. Step 3: Cross multiply
    82,012.35x = 123,000.05 × 29,421.83
  4. Step 4: Simplify right side
    82,012.35x = 3,618,886,561.09
  5. Step 5: Solve for x
    x = 3,618,886,561.09/82,012.35
  6. Step 6: Final answer
    x = 44,126.12

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