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Finding the Fourth Proportional to 184,487.96, 276,801.64 and 72,248.38

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Solution

The fourth proportional to 184,487.96, 276,801.64 and 72,248.38 is: 108,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,487.96 : 276,801.64 = 72,248.38 : x
  2. Step 2: Convert to fraction form
    184,487.96/276,801.64 = 72,248.38/x
  3. Step 3: Cross multiply
    184,487.96x = 276,801.64 × 72,248.38
  4. Step 4: Simplify right side
    184,487.96x = 19,998,469,198.72
  5. Step 5: Solve for x
    x = 19,998,469,198.72/184,487.96
  6. Step 6: Final answer
    x = 108,399.86

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Why These Related Problems?

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