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Finding the Fourth Proportional to 354,944.52, 532,105.74 and 133,484.04

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Solution

The fourth proportional to 354,944.52, 532,105.74 and 133,484.04 is: 200,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,944.52 : 532,105.74 = 133,484.04 : x
  2. Step 2: Convert to fraction form
    354,944.52/532,105.74 = 133,484.04/x
  3. Step 3: Cross multiply
    354,944.52x = 532,105.74 × 133,484.04
  4. Step 4: Simplify right side
    354,944.52x = 71,027,623,882.39
  5. Step 5: Solve for x
    x = 71,027,623,882.39/354,944.52
  6. Step 6: Final answer
    x = 200,109.09

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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.