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Finding the Fourth Proportional to 246,308.77, 339,909.87 and 144,309.82

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Solution

The fourth proportional to 246,308.77, 339,909.87 and 144,309.82 is: 199,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,308.77 : 339,909.87 = 144,309.82 : x
  2. Step 2: Convert to fraction form
    246,308.77/339,909.87 = 144,309.82/x
  3. Step 3: Cross multiply
    246,308.77x = 339,909.87 × 144,309.82
  4. Step 4: Simplify right side
    246,308.77x = 49,052,332,155.92
  5. Step 5: Solve for x
    x = 49,052,332,155.92/246,308.77
  6. Step 6: Final answer
    x = 199,149.76

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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.