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Finding the Fourth Proportional to 225,790.74, 338,737.95 and 76,027.41

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Solution

The fourth proportional to 225,790.74, 338,737.95 and 76,027.41 is: 114,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,790.74 : 338,737.95 = 76,027.41 : x
  2. Step 2: Convert to fraction form
    225,790.74/338,737.95 = 76,027.41/x
  3. Step 3: Cross multiply
    225,790.74x = 338,737.95 × 76,027.41
  4. Step 4: Simplify right side
    225,790.74x = 25,753,369,007.21
  5. Step 5: Solve for x
    x = 25,753,369,007.21/225,790.74
  6. Step 6: Final answer
    x = 114,058.57

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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.