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Finding the Fourth Proportional to 107,650.72, 161,502.04 and 33,778.72

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Solution

The fourth proportional to 107,650.72, 161,502.04 and 33,778.72 is: 50,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,650.72 : 161,502.04 = 33,778.72 : x
  2. Step 2: Convert to fraction form
    107,650.72/161,502.04 = 33,778.72/x
  3. Step 3: Cross multiply
    107,650.72x = 161,502.04 × 33,778.72
  4. Step 4: Simplify right side
    107,650.72x = 5,455,332,188.59
  5. Step 5: Solve for x
    x = 5,455,332,188.59/107,650.72
  6. Step 6: Final answer
    x = 50,676.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.