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Finding the Fourth Proportional to 227,494, 313,959.42 and 125,539.60

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Solution

The fourth proportional to 227,494, 313,959.42 and 125,539.60 is: 173,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,494 : 313,959.42 = 125,539.60 : x
  2. Step 2: Convert to fraction form
    227,494/313,959.42 = 125,539.60/x
  3. Step 3: Cross multiply
    227,494x = 313,959.42 × 125,539.60
  4. Step 4: Simplify right side
    227,494x = 39,414,340,003.03
  5. Step 5: Solve for x
    x = 39,414,340,003.03/227,494
  6. Step 6: Final answer
    x = 173,254.42

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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.