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Finding the Fourth Proportional to 442,481.92, 663,721.62 and 110,057.92

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Solution

The fourth proportional to 442,481.92, 663,721.62 and 110,057.92 is: 165,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,481.92 : 663,721.62 = 110,057.92 : x
  2. Step 2: Convert to fraction form
    442,481.92/663,721.62 = 110,057.92/x
  3. Step 3: Cross multiply
    442,481.92x = 663,721.62 × 110,057.92
  4. Step 4: Simplify right side
    442,481.92x = 73,047,820,956.23
  5. Step 5: Solve for x
    x = 73,047,820,956.23/442,481.92
  6. Step 6: Final answer
    x = 165,086.57

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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.