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Finding the Fourth Proportional to 297,749.92, 446,669.52 and 87,363.04

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Solution

The fourth proportional to 297,749.92, 446,669.52 and 87,363.04 is: 131,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,749.92 : 446,669.52 = 87,363.04 : x
  2. Step 2: Convert to fraction form
    297,749.92/446,669.52 = 87,363.04/x
  3. Step 3: Cross multiply
    297,749.92x = 446,669.52 × 87,363.04
  4. Step 4: Simplify right side
    297,749.92x = 39,022,407,142.54
  5. Step 5: Solve for x
    x = 39,022,407,142.54/297,749.92
  6. Step 6: Final answer
    x = 131,057.66

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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.