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Finding the Fourth Proportional to 504,020.10, 755,910.73 and 144,179.87

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Solution

The fourth proportional to 504,020.10, 755,910.73 and 144,179.87 is: 216,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,020.10 : 755,910.73 = 144,179.87 : x
  2. Step 2: Convert to fraction form
    504,020.10/755,910.73 = 144,179.87/x
  3. Step 3: Cross multiply
    504,020.10x = 755,910.73 × 144,179.87
  4. Step 4: Simplify right side
    504,020.10x = 108,987,107,183.68
  5. Step 5: Solve for x
    x = 108,987,107,183.68/504,020.10
  6. Step 6: Final answer
    x = 216,235.63

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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.