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Finding the Fourth Proportional to 221,832.94, 332,805.54 and 61,908.85

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Solution

The fourth proportional to 221,832.94, 332,805.54 and 61,908.85 is: 92,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,832.94 : 332,805.54 = 61,908.85 : x
  2. Step 2: Convert to fraction form
    221,832.94/332,805.54 = 61,908.85/x
  3. Step 3: Cross multiply
    221,832.94x = 332,805.54 × 61,908.85
  4. Step 4: Simplify right side
    221,832.94x = 20,603,608,255.03
  5. Step 5: Solve for x
    x = 20,603,608,255.03/221,832.94
  6. Step 6: Final answer
    x = 92,878.94

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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.