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Finding the Fourth Proportional to 72,229.46, 108,355.74 and 22,297.82

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Solution

The fourth proportional to 72,229.46, 108,355.74 and 22,297.82 is: 33,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229.46 : 108,355.74 = 22,297.82 : x
  2. Step 2: Convert to fraction form
    72,229.46/108,355.74 = 22,297.82/x
  3. Step 3: Cross multiply
    72,229.46x = 108,355.74 × 22,297.82
  4. Step 4: Simplify right side
    72,229.46x = 2,416,097,057.38
  5. Step 5: Solve for x
    x = 2,416,097,057.38/72,229.46
  6. Step 6: Final answer
    x = 33,450.30

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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.