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Finding the Fourth Proportional to 220,967.34, 331,450.83 and 54,755.34

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Solution

The fourth proportional to 220,967.34, 331,450.83 and 54,755.34 is: 82,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,967.34 : 331,450.83 = 54,755.34 : x
  2. Step 2: Convert to fraction form
    220,967.34/331,450.83 = 54,755.34/x
  3. Step 3: Cross multiply
    220,967.34x = 331,450.83 × 54,755.34
  4. Step 4: Simplify right side
    220,967.34x = 18,148,702,889.93
  5. Step 5: Solve for x
    x = 18,148,702,889.93/220,967.34
  6. Step 6: Final answer
    x = 82,132.97

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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.