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Finding the Fourth Proportional to 339,550.72, 509,009.52 and 114,753.97

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Solution

The fourth proportional to 339,550.72, 509,009.52 and 114,753.97 is: 172,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,550.72 : 509,009.52 = 114,753.97 : x
  2. Step 2: Convert to fraction form
    339,550.72/509,009.52 = 114,753.97/x
  3. Step 3: Cross multiply
    339,550.72x = 509,009.52 × 114,753.97
  4. Step 4: Simplify right side
    339,550.72x = 58,410,863,187.79
  5. Step 5: Solve for x
    x = 58,410,863,187.79/339,550.72
  6. Step 6: Final answer
    x = 172,023.97

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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.