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Finding the Fourth Proportional to 227,012.52, 313,286.96 and 126,410.52

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Solution

The fourth proportional to 227,012.52, 313,286.96 and 126,410.52 is: 174,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,012.52 : 313,286.96 = 126,410.52 : x
  2. Step 2: Convert to fraction form
    227,012.52/313,286.96 = 126,410.52/x
  3. Step 3: Cross multiply
    227,012.52x = 313,286.96 × 126,410.52
  4. Step 4: Simplify right side
    227,012.52x = 39,602,767,522.82
  5. Step 5: Solve for x
    x = 39,602,767,522.82/227,012.52
  6. Step 6: Final answer
    x = 174,451.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.