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Finding the Fourth Proportional to 227,341.78, 313,724.44 and 125,371.54

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Solution

The fourth proportional to 227,341.78, 313,724.44 and 125,371.54 is: 173,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,341.78 : 313,724.44 = 125,371.54 : x
  2. Step 2: Convert to fraction form
    227,341.78/313,724.44 = 125,371.54/x
  3. Step 3: Cross multiply
    227,341.78x = 313,724.44 × 125,371.54
  4. Step 4: Simplify right side
    227,341.78x = 39,332,115,080.70
  5. Step 5: Solve for x
    x = 39,332,115,080.70/227,341.78
  6. Step 6: Final answer
    x = 173,008.74

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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.