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Finding the Fourth Proportional to 169,741.20, 254,611.80 and 110,692.20

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Solution

The fourth proportional to 169,741.20, 254,611.80 and 110,692.20 is: 166,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,741.20 : 254,611.80 = 110,692.20 : x
  2. Step 2: Convert to fraction form
    169,741.20/254,611.80 = 110,692.20/x
  3. Step 3: Cross multiply
    169,741.20x = 254,611.80 × 110,692.20
  4. Step 4: Simplify right side
    169,741.20x = 28,183,540,287.96
  5. Step 5: Solve for x
    x = 28,183,540,287.96/169,741.20
  6. Step 6: Final answer
    x = 166,038.30

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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.