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Finding the Fourth Proportional to 264,819.46, 365,446.54 and 143,963.79

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Solution

The fourth proportional to 264,819.46, 365,446.54 and 143,963.79 is: 198,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,819.46 : 365,446.54 = 143,963.79 : x
  2. Step 2: Convert to fraction form
    264,819.46/365,446.54 = 143,963.79/x
  3. Step 3: Cross multiply
    264,819.46x = 365,446.54 × 143,963.79
  4. Step 4: Simplify right side
    264,819.46x = 52,611,069,183.03
  5. Step 5: Solve for x
    x = 52,611,069,183.03/264,819.46
  6. Step 6: Final answer
    x = 198,667.69

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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.