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Finding the Fourth Proportional to 223,450.38, 308,360.22 and 126,672.48

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Solution

The fourth proportional to 223,450.38, 308,360.22 and 126,672.48 is: 174,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,450.38 : 308,360.22 = 126,672.48 : x
  2. Step 2: Convert to fraction form
    223,450.38/308,360.22 = 126,672.48/x
  3. Step 3: Cross multiply
    223,450.38x = 308,360.22 × 126,672.48
  4. Step 4: Simplify right side
    223,450.38x = 39,060,753,800.75
  5. Step 5: Solve for x
    x = 39,060,753,800.75/223,450.38
  6. Step 6: Final answer
    x = 174,807.28

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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.