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Finding the Fourth Proportional to 169,662.20, 254,493.30 and 161,108.60

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Solution

The fourth proportional to 169,662.20, 254,493.30 and 161,108.60 is: 241,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,662.20 : 254,493.30 = 161,108.60 : x
  2. Step 2: Convert to fraction form
    169,662.20/254,493.30 = 161,108.60/x
  3. Step 3: Cross multiply
    169,662.20x = 254,493.30 × 161,108.60
  4. Step 4: Simplify right side
    169,662.20x = 41,001,059,272.38
  5. Step 5: Solve for x
    x = 41,001,059,272.38/169,662.20
  6. Step 6: Final answer
    x = 241,662.90

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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.