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Finding the Fourth Proportional to 218,469.10, 327,714.45 and 113,493.10

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Solution

The fourth proportional to 218,469.10, 327,714.45 and 113,493.10 is: 170,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,469.10 : 327,714.45 = 113,493.10 : x
  2. Step 2: Convert to fraction form
    218,469.10/327,714.45 = 113,493.10/x
  3. Step 3: Cross multiply
    218,469.10x = 327,714.45 × 113,493.10
  4. Step 4: Simplify right side
    218,469.10x = 37,193,328,845.30
  5. Step 5: Solve for x
    x = 37,193,328,845.30/218,469.10
  6. Step 6: Final answer
    x = 170,245.26

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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.