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Finding the Fourth Proportional to 273,137.88, 409,692.24 and 104,738.88

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Solution

The fourth proportional to 273,137.88, 409,692.24 and 104,738.88 is: 157,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,137.88 : 409,692.24 = 104,738.88 : x
  2. Step 2: Convert to fraction form
    273,137.88/409,692.24 = 104,738.88/x
  3. Step 3: Cross multiply
    273,137.88x = 409,692.24 × 104,738.88
  4. Step 4: Simplify right side
    273,137.88x = 42,910,706,362.29
  5. Step 5: Solve for x
    x = 42,910,706,362.29/273,137.88
  6. Step 6: Final answer
    x = 157,102.73

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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.