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Finding the Fourth Proportional to 227,053.50, 313,343.55 and 126,451.50

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Solution

The fourth proportional to 227,053.50, 313,343.55 and 126,451.50 is: 174,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,053.50 : 313,343.55 = 126,451.50 : x
  2. Step 2: Convert to fraction form
    227,053.50/313,343.55 = 126,451.50/x
  3. Step 3: Cross multiply
    227,053.50x = 313,343.55 × 126,451.50
  4. Step 4: Simplify right side
    227,053.50x = 39,622,761,912.83
  5. Step 5: Solve for x
    x = 39,622,761,912.83/227,053.50
  6. Step 6: Final answer
    x = 174,508.48

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