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Finding the Fourth Proportional to 221,379.22, 332,069.60 and 61,467.66

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Solution

The fourth proportional to 221,379.22, 332,069.60 and 61,467.66 is: 92,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,379.22 : 332,069.60 = 61,467.66 : x
  2. Step 2: Convert to fraction form
    221,379.22/332,069.60 = 61,467.66/x
  3. Step 3: Cross multiply
    221,379.22x = 332,069.60 × 61,467.66
  4. Step 4: Simplify right side
    221,379.22x = 20,411,541,269.14
  5. Step 5: Solve for x
    x = 20,411,541,269.14/221,379.22
  6. Step 6: Final answer
    x = 92,201.70

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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.