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Finding the Fourth Proportional to 123,207.92, 184,813.34 and 48,363.31

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Solution

The fourth proportional to 123,207.92, 184,813.34 and 48,363.31 is: 72,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,207.92 : 184,813.34 = 48,363.31 : x
  2. Step 2: Convert to fraction form
    123,207.92/184,813.34 = 48,363.31/x
  3. Step 3: Cross multiply
    123,207.92x = 184,813.34 × 48,363.31
  4. Step 4: Simplify right side
    123,207.92x = 8,938,184,854.56
  5. Step 5: Solve for x
    x = 8,938,184,854.56/123,207.92
  6. Step 6: Final answer
    x = 72,545.54

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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.