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Finding the Fourth Proportional to 221,670.37, 332,552.32 and 71,899.03

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Solution

The fourth proportional to 221,670.37, 332,552.32 and 71,899.03 is: 107,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,670.37 : 332,552.32 = 71,899.03 : x
  2. Step 2: Convert to fraction form
    221,670.37/332,552.32 = 71,899.03/x
  3. Step 3: Cross multiply
    221,670.37x = 332,552.32 × 71,899.03
  4. Step 4: Simplify right side
    221,670.37x = 23,910,189,232.25
  5. Step 5: Solve for x
    x = 23,910,189,232.25/221,670.37
  6. Step 6: Final answer
    x = 107,863.71

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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.