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Finding the Fourth Proportional to 84,169.96, 126,254.94 and 28,766.44

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Solution

The fourth proportional to 84,169.96, 126,254.94 and 28,766.44 is: 43,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.96 : 126,254.94 = 28,766.44 : x
  2. Step 2: Convert to fraction form
    84,169.96/126,254.94 = 28,766.44/x
  3. Step 3: Cross multiply
    84,169.96x = 126,254.94 × 28,766.44
  4. Step 4: Simplify right side
    84,169.96x = 3,631,905,156.21
  5. Step 5: Solve for x
    x = 3,631,905,156.21/84,169.96
  6. Step 6: Final answer
    x = 43,149.66

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