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Finding the Fourth Proportional to 169,138.92, 253,737.20 and 58,305

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Solution

The fourth proportional to 169,138.92, 253,737.20 and 58,305 is: 87,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,138.92 : 253,737.20 = 58,305 : x
  2. Step 2: Convert to fraction form
    169,138.92/253,737.20 = 58,305/x
  3. Step 3: Cross multiply
    169,138.92x = 253,737.20 × 58,305
  4. Step 4: Simplify right side
    169,138.92x = 14,794,147,446
  5. Step 5: Solve for x
    x = 14,794,147,446/169,138.92
  6. Step 6: Final answer
    x = 87,467.43

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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.