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Finding the Fourth Proportional to 297,134.76, 445,694.13 and 83,917.32

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Solution

The fourth proportional to 297,134.76, 445,694.13 and 83,917.32 is: 125,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,134.76 : 445,694.13 = 83,917.32 : x
  2. Step 2: Convert to fraction form
    297,134.76/445,694.13 = 83,917.32/x
  3. Step 3: Cross multiply
    297,134.76x = 445,694.13 × 83,917.32
  4. Step 4: Simplify right side
    297,134.76x = 37,401,455,257.98
  5. Step 5: Solve for x
    x = 37,401,455,257.98/297,134.76
  6. Step 6: Final answer
    x = 125,873.71

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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.