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Finding the Fourth Proportional to 73,108.98, 109,667.39 and 23,192.87

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Solution

The fourth proportional to 73,108.98, 109,667.39 and 23,192.87 is: 34,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.98 : 109,667.39 = 23,192.87 : x
  2. Step 2: Convert to fraction form
    73,108.98/109,667.39 = 23,192.87/x
  3. Step 3: Cross multiply
    73,108.98x = 109,667.39 × 23,192.87
  4. Step 4: Simplify right side
    73,108.98x = 2,543,500,855.21
  5. Step 5: Solve for x
    x = 2,543,500,855.21/73,108.98
  6. Step 6: Final answer
    x = 34,790.54

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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.