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Finding the Fourth Proportional to 322,134.69, 483,003.55 and 108,882.48

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Solution

The fourth proportional to 322,134.69, 483,003.55 and 108,882.48 is: 163,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,134.69 : 483,003.55 = 108,882.48 : x
  2. Step 2: Convert to fraction form
    322,134.69/483,003.55 = 108,882.48/x
  3. Step 3: Cross multiply
    322,134.69x = 483,003.55 × 108,882.48
  4. Step 4: Simplify right side
    322,134.69x = 52,590,624,372.80
  5. Step 5: Solve for x
    x = 52,590,624,372.80/322,134.69
  6. Step 6: Final answer
    x = 163,256.63

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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.