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Finding the Fourth Proportional to 468,750.87, 703,167.84 and 131,794.47

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Solution

The fourth proportional to 468,750.87, 703,167.84 and 131,794.47 is: 197,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,750.87 : 703,167.84 = 131,794.47 : x
  2. Step 2: Convert to fraction form
    468,750.87/703,167.84 = 131,794.47/x
  3. Step 3: Cross multiply
    468,750.87x = 703,167.84 × 131,794.47
  4. Step 4: Simplify right side
    468,750.87x = 92,673,632,793.84
  5. Step 5: Solve for x
    x = 92,673,632,793.84/468,750.87
  6. Step 6: Final answer
    x = 197,703.38

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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.