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Finding the Fourth Proportional to 337,129.82, 505,768.58 and 126,767.76

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Solution

The fourth proportional to 337,129.82, 505,768.58 and 126,767.76 is: 190,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,129.82 : 505,768.58 = 126,767.76 : x
  2. Step 2: Convert to fraction form
    337,129.82/505,768.58 = 126,767.76/x
  3. Step 3: Cross multiply
    337,129.82x = 505,768.58 × 126,767.76
  4. Step 4: Simplify right side
    337,129.82x = 64,115,149,964.98
  5. Step 5: Solve for x
    x = 64,115,149,964.98/337,129.82
  6. Step 6: Final answer
    x = 190,179.41

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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.