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Finding the Fourth Proportional to 253,819.62, 350,226.67 and 144,874.21

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Solution

The fourth proportional to 253,819.62, 350,226.67 and 144,874.21 is: 199,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,819.62 : 350,226.67 = 144,874.21 : x
  2. Step 2: Convert to fraction form
    253,819.62/350,226.67 = 144,874.21/x
  3. Step 3: Cross multiply
    253,819.62x = 350,226.67 × 144,874.21
  4. Step 4: Simplify right side
    253,819.62x = 50,738,812,137.18
  5. Step 5: Solve for x
    x = 50,738,812,137.18/253,819.62
  6. Step 6: Final answer
    x = 199,901.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.