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Finding the Fourth Proportional to 468,777.92, 703,208.32 and 131,821.44

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Solution

The fourth proportional to 468,777.92, 703,208.32 and 131,821.44 is: 197,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,777.92 : 703,208.32 = 131,821.44 : x
  2. Step 2: Convert to fraction form
    468,777.92/703,208.32 = 131,821.44/x
  3. Step 3: Cross multiply
    468,777.92x = 703,208.32 × 131,821.44
  4. Step 4: Simplify right side
    468,777.92x = 92,697,933,362.38
  5. Step 5: Solve for x
    x = 92,697,933,362.38/468,777.92
  6. Step 6: Final answer
    x = 197,743.81

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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.