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Finding the Fourth Proportional to 69,773.37, 96,289.79 and 39,971.13

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Solution

The fourth proportional to 69,773.37, 96,289.79 and 39,971.13 is: 55,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.37 : 96,289.79 = 39,971.13 : x
  2. Step 2: Convert to fraction form
    69,773.37/96,289.79 = 39,971.13/x
  3. Step 3: Cross multiply
    69,773.37x = 96,289.79 × 39,971.13
  4. Step 4: Simplify right side
    69,773.37x = 3,848,811,513.91
  5. Step 5: Solve for x
    x = 3,848,811,513.91/69,773.37
  6. Step 6: Final answer
    x = 55,161.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.