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Finding the Fourth Proportional to 247,998.54, 371,768.31 and 90,184.62

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Solution

The fourth proportional to 247,998.54, 371,768.31 and 90,184.62 is: 135,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,998.54 : 371,768.31 = 90,184.62 : x
  2. Step 2: Convert to fraction form
    247,998.54/371,768.31 = 90,184.62/x
  3. Step 3: Cross multiply
    247,998.54x = 371,768.31 × 90,184.62
  4. Step 4: Simplify right side
    247,998.54x = 33,527,783,765.39
  5. Step 5: Solve for x
    x = 33,527,783,765.39/247,998.54
  6. Step 6: Final answer
    x = 135,193.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.