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Finding the Fourth Proportional to 322,171.66, 483,072.27 and 132,762.76

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Solution

The fourth proportional to 322,171.66, 483,072.27 and 132,762.76 is: 199,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,171.66 : 483,072.27 = 132,762.76 : x
  2. Step 2: Convert to fraction form
    322,171.66/483,072.27 = 132,762.76/x
  3. Step 3: Cross multiply
    322,171.66x = 483,072.27 × 132,762.76
  4. Step 4: Simplify right side
    322,171.66x = 64,134,007,844.67
  5. Step 5: Solve for x
    x = 64,134,007,844.67/322,171.66
  6. Step 6: Final answer
    x = 199,067.81

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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.