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Finding the Fourth Proportional to 247,896.89, 371,845.46 and 163,637.36

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Solution

The fourth proportional to 247,896.89, 371,845.46 and 163,637.36 is: 245,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896.89 : 371,845.46 = 163,637.36 : x
  2. Step 2: Convert to fraction form
    247,896.89/371,845.46 = 163,637.36/x
  3. Step 3: Cross multiply
    247,896.89x = 371,845.46 × 163,637.36
  4. Step 4: Simplify right side
    247,896.89x = 60,847,809,402.39
  5. Step 5: Solve for x
    x = 60,847,809,402.39/247,896.89
  6. Step 6: Final answer
    x = 245,456.12

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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.