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Finding the Fourth Proportional to 246,622.76, 340,346.25 and 149,793.92

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Solution

The fourth proportional to 246,622.76, 340,346.25 and 149,793.92 is: 206,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,622.76 : 340,346.25 = 149,793.92 : x
  2. Step 2: Convert to fraction form
    246,622.76/340,346.25 = 149,793.92/x
  3. Step 3: Cross multiply
    246,622.76x = 340,346.25 × 149,793.92
  4. Step 4: Simplify right side
    246,622.76x = 50,981,798,944.80
  5. Step 5: Solve for x
    x = 50,981,798,944.80/246,622.76
  6. Step 6: Final answer
    x = 206,719.76

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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.