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Finding the Fourth Proportional to 221,241.46, 331,861.56 and 55,029.46

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Solution

The fourth proportional to 221,241.46, 331,861.56 and 55,029.46 is: 82,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,241.46 : 331,861.56 = 55,029.46 : x
  2. Step 2: Convert to fraction form
    221,241.46/331,861.56 = 55,029.46/x
  3. Step 3: Cross multiply
    221,241.46x = 331,861.56 × 55,029.46
  4. Step 4: Simplify right side
    221,241.46x = 18,262,162,441.56
  5. Step 5: Solve for x
    x = 18,262,162,441.56/221,241.46
  6. Step 6: Final answer
    x = 82,544.03

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1.5x scale

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.