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Finding the Fourth Proportional to 169,757.88, 254,692.05 and 80,999.88

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Solution

The fourth proportional to 169,757.88, 254,692.05 and 80,999.88 is: 121,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,757.88 : 254,692.05 = 80,999.88 : x
  2. Step 2: Convert to fraction form
    169,757.88/254,692.05 = 80,999.88/x
  3. Step 3: Cross multiply
    169,757.88x = 254,692.05 × 80,999.88
  4. Step 4: Simplify right side
    169,757.88x = 20,630,025,486.95
  5. Step 5: Solve for x
    x = 20,630,025,486.95/169,757.88
  6. Step 6: Final answer
    x = 121,526.17

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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.