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Finding the Fourth Proportional to 227,355.08, 313,713.78 and 126,753.80

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Solution

The fourth proportional to 227,355.08, 313,713.78 and 126,753.80 is: 174,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,355.08 : 313,713.78 = 126,753.80 : x
  2. Step 2: Convert to fraction form
    227,355.08/313,713.78 = 126,753.80/x
  3. Step 3: Cross multiply
    227,355.08x = 313,713.78 × 126,753.80
  4. Step 4: Simplify right side
    227,355.08x = 39,764,413,727.36
  5. Step 5: Solve for x
    x = 39,764,413,727.36/227,355.08
  6. Step 6: Final answer
    x = 174,900.05

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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.