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Finding the Fourth Proportional to 227,389.50, 313,793.25 and 125,424.48

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Solution

The fourth proportional to 227,389.50, 313,793.25 and 125,424.48 is: 173,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,389.50 : 313,793.25 = 125,424.48 : x
  2. Step 2: Convert to fraction form
    227,389.50/313,793.25 = 125,424.48/x
  3. Step 3: Cross multiply
    227,389.50x = 313,793.25 × 125,424.48
  4. Step 4: Simplify right side
    227,389.50x = 39,357,355,208.76
  5. Step 5: Solve for x
    x = 39,357,355,208.76/227,389.50
  6. Step 6: Final answer
    x = 173,083.43

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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.