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Finding the Fourth Proportional to 250,471.08, 345,654.27 and 135,753.39

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Solution

The fourth proportional to 250,471.08, 345,654.27 and 135,753.39 is: 187,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,471.08 : 345,654.27 = 135,753.39 : x
  2. Step 2: Convert to fraction form
    250,471.08/345,654.27 = 135,753.39/x
  3. Step 3: Cross multiply
    250,471.08x = 345,654.27 × 135,753.39
  4. Step 4: Simplify right side
    250,471.08x = 46,923,738,920.48
  5. Step 5: Solve for x
    x = 46,923,738,920.48/250,471.08
  6. Step 6: Final answer
    x = 187,341.94

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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.