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Finding the Fourth Proportional to 253,391.28, 379,692.72 and 95,533.44

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Solution

The fourth proportional to 253,391.28, 379,692.72 and 95,533.44 is: 143,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,391.28 : 379,692.72 = 95,533.44 : x
  2. Step 2: Convert to fraction form
    253,391.28/379,692.72 = 95,533.44/x
  3. Step 3: Cross multiply
    253,391.28x = 379,692.72 × 95,533.44
  4. Step 4: Simplify right side
    253,391.28x = 36,273,351,684.56
  5. Step 5: Solve for x
    x = 36,273,351,684.56/253,391.28
  6. Step 6: Final answer
    x = 143,151.54

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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.