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Finding the Fourth Proportional to 468,749.87, 703,166.34 and 131,793.47

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Solution

The fourth proportional to 468,749.87, 703,166.34 and 131,793.47 is: 197,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,749.87 : 703,166.34 = 131,793.47 : x
  2. Step 2: Convert to fraction form
    468,749.87/703,166.34 = 131,793.47/x
  3. Step 3: Cross multiply
    468,749.87x = 703,166.34 × 131,793.47
  4. Step 4: Simplify right side
    468,749.87x = 92,672,728,419.97
  5. Step 5: Solve for x
    x = 92,672,728,419.97/468,749.87
  6. Step 6: Final answer
    x = 197,701.88

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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.