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Finding the Fourth Proportional to 335,736.50, 503,604.76 and 136,019.66

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Solution

The fourth proportional to 335,736.50, 503,604.76 and 136,019.66 is: 204,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,736.50 : 503,604.76 = 136,019.66 : x
  2. Step 2: Convert to fraction form
    335,736.50/503,604.76 = 136,019.66/x
  3. Step 3: Cross multiply
    335,736.50x = 503,604.76 × 136,019.66
  4. Step 4: Simplify right side
    335,736.50x = 68,500,148,229.58
  5. Step 5: Solve for x
    x = 68,500,148,229.58/335,736.50
  6. Step 6: Final answer
    x = 204,029.49

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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.