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Finding the Fourth Proportional to 351,571.59, 527,278.43 and 161,850.15

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Solution

The fourth proportional to 351,571.59, 527,278.43 and 161,850.15 is: 242,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,571.59 : 527,278.43 = 161,850.15 : x
  2. Step 2: Convert to fraction form
    351,571.59/527,278.43 = 161,850.15/x
  3. Step 3: Cross multiply
    351,571.59x = 527,278.43 × 161,850.15
  4. Step 4: Simplify right side
    351,571.59x = 85,340,092,178.01
  5. Step 5: Solve for x
    x = 85,340,092,178.01/351,571.59
  6. Step 6: Final answer
    x = 242,738.87

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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.