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Finding the Fourth Proportional to 247,083.50, 340,976.45 and 133,906.25

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Solution

The fourth proportional to 247,083.50, 340,976.45 and 133,906.25 is: 184,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,083.50 : 340,976.45 = 133,906.25 : x
  2. Step 2: Convert to fraction form
    247,083.50/340,976.45 = 133,906.25/x
  3. Step 3: Cross multiply
    247,083.50x = 340,976.45 × 133,906.25
  4. Step 4: Simplify right side
    247,083.50x = 45,658,877,757.81
  5. Step 5: Solve for x
    x = 45,658,877,757.81/247,083.50
  6. Step 6: Final answer
    x = 184,791.29

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1.5x scale

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.