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Finding the Fourth Proportional to 221,379.52, 332,093.01 and 61,456.13

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Solution

The fourth proportional to 221,379.52, 332,093.01 and 61,456.13 is: 92,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,379.52 : 332,093.01 = 61,456.13 : x
  2. Step 2: Convert to fraction form
    221,379.52/332,093.01 = 61,456.13/x
  3. Step 3: Cross multiply
    221,379.52x = 332,093.01 × 61,456.13
  4. Step 4: Simplify right side
    221,379.52x = 20,409,152,878.02
  5. Step 5: Solve for x
    x = 20,409,152,878.02/221,379.52
  6. Step 6: Final answer
    x = 92,190.79

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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.