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Finding the Fourth Proportional to 298,227.72, 447,372.65 and 95,772.68

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Solution

The fourth proportional to 298,227.72, 447,372.65 and 95,772.68 is: 143,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,227.72 : 447,372.65 = 95,772.68 : x
  2. Step 2: Convert to fraction form
    298,227.72/447,372.65 = 95,772.68/x
  3. Step 3: Cross multiply
    298,227.72x = 447,372.65 × 95,772.68
  4. Step 4: Simplify right side
    298,227.72x = 42,846,077,329.42
  5. Step 5: Solve for x
    x = 42,846,077,329.42/298,227.72
  6. Step 6: Final answer
    x = 143,668.99

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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.