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Finding the Fourth Proportional to 169,272.27, 253,909.31 and 50,942.80

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Solution

The fourth proportional to 169,272.27, 253,909.31 and 50,942.80 is: 76,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,272.27 : 253,909.31 = 50,942.80 : x
  2. Step 2: Convert to fraction form
    169,272.27/253,909.31 = 50,942.80/x
  3. Step 3: Cross multiply
    169,272.27x = 253,909.31 × 50,942.80
  4. Step 4: Simplify right side
    169,272.27x = 12,934,851,197.47
  5. Step 5: Solve for x
    x = 12,934,851,197.47/169,272.27
  6. Step 6: Final answer
    x = 76,414.47

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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.