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Finding the Fourth Proportional to 169,268.27, 253,903.31 and 50,938.80

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Solution

The fourth proportional to 169,268.27, 253,903.31 and 50,938.80 is: 76,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,268.27 : 253,903.31 = 50,938.80 : x
  2. Step 2: Convert to fraction form
    169,268.27/253,903.31 = 50,938.80/x
  3. Step 3: Cross multiply
    169,268.27x = 253,903.31 × 50,938.80
  4. Step 4: Simplify right side
    169,268.27x = 12,933,529,672.73
  5. Step 5: Solve for x
    x = 12,933,529,672.73/169,268.27
  6. Step 6: Final answer
    x = 76,408.47

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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.