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Finding the Fourth Proportional to 322,044.32, 483,159.97 and 129,819.54

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Solution

The fourth proportional to 322,044.32, 483,159.97 and 129,819.54 is: 194,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,044.32 : 483,159.97 = 129,819.54 : x
  2. Step 2: Convert to fraction form
    322,044.32/483,159.97 = 129,819.54/x
  3. Step 3: Cross multiply
    322,044.32x = 483,159.97 × 129,819.54
  4. Step 4: Simplify right side
    322,044.32x = 62,723,607,025.94
  5. Step 5: Solve for x
    x = 62,723,607,025.94/322,044.32
  6. Step 6: Final answer
    x = 194,767.00

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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.