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Finding the Fourth Proportional to 225,976.86, 311,847.21 and 124,004.04

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Solution

The fourth proportional to 225,976.86, 311,847.21 and 124,004.04 is: 171,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,976.86 : 311,847.21 = 124,004.04 : x
  2. Step 2: Convert to fraction form
    225,976.86/311,847.21 = 124,004.04/x
  3. Step 3: Cross multiply
    225,976.86x = 311,847.21 × 124,004.04
  4. Step 4: Simplify right side
    225,976.86x = 38,670,313,902.73
  5. Step 5: Solve for x
    x = 38,670,313,902.73/225,976.86
  6. Step 6: Final answer
    x = 171,125.11

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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.