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Finding the Fourth Proportional to 378,100.57, 567,207.22 and 134,922.70

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Solution

The fourth proportional to 378,100.57, 567,207.22 and 134,922.70 is: 202,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,100.57 : 567,207.22 = 134,922.70 : x
  2. Step 2: Convert to fraction form
    378,100.57/567,207.22 = 134,922.70/x
  3. Step 3: Cross multiply
    378,100.57x = 567,207.22 × 134,922.70
  4. Step 4: Simplify right side
    378,100.57x = 76,529,129,581.89
  5. Step 5: Solve for x
    x = 76,529,129,581.89/378,100.57
  6. Step 6: Final answer
    x = 202,404.16

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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.