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Finding the Fourth Proportional to 87,954.38, 131,931.56 and 35,351.56

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Solution

The fourth proportional to 87,954.38, 131,931.56 and 35,351.56 is: 53,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.38 : 131,931.56 = 35,351.56 : x
  2. Step 2: Convert to fraction form
    87,954.38/131,931.56 = 35,351.56/x
  3. Step 3: Cross multiply
    87,954.38x = 131,931.56 × 35,351.56
  4. Step 4: Simplify right side
    87,954.38x = 4,663,985,622.82
  5. Step 5: Solve for x
    x = 4,663,985,622.82/87,954.38
  6. Step 6: Final answer
    x = 53,027.33

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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.