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Finding the Fourth Proportional to 223,496.38, 308,380.83 and 125,382.94

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Solution

The fourth proportional to 223,496.38, 308,380.83 and 125,382.94 is: 173,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,496.38 : 308,380.83 = 125,382.94 : x
  2. Step 2: Convert to fraction form
    223,496.38/308,380.83 = 125,382.94/x
  3. Step 3: Cross multiply
    223,496.38x = 308,380.83 × 125,382.94
  4. Step 4: Simplify right side
    223,496.38x = 38,665,695,105.04
  5. Step 5: Solve for x
    x = 38,665,695,105.04/223,496.38
  6. Step 6: Final answer
    x = 173,003.68

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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.