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Finding the Fourth Proportional to 265,027.37, 397,456.81 and 87,501.29

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Solution

The fourth proportional to 265,027.37, 397,456.81 and 87,501.29 is: 131,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,027.37 : 397,456.81 = 87,501.29 : x
  2. Step 2: Convert to fraction form
    265,027.37/397,456.81 = 87,501.29/x
  3. Step 3: Cross multiply
    265,027.37x = 397,456.81 × 87,501.29
  4. Step 4: Simplify right side
    265,027.37x = 34,777,981,388.25
  5. Step 5: Solve for x
    x = 34,777,981,388.25/265,027.37
  6. Step 6: Final answer
    x = 131,224.11

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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.