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Finding the Fourth Proportional to 227,354, 313,744.36 and 125,388.88

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Solution

The fourth proportional to 227,354, 313,744.36 and 125,388.88 is: 173,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,354 : 313,744.36 = 125,388.88 : x
  2. Step 2: Convert to fraction form
    227,354/313,744.36 = 125,388.88/x
  3. Step 3: Cross multiply
    227,354x = 313,744.36 × 125,388.88
  4. Step 4: Simplify right side
    227,354x = 39,340,053,906.72
  5. Step 5: Solve for x
    x = 39,340,053,906.72/227,354
  6. Step 6: Final answer
    x = 173,034.36

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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.