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Finding the Fourth Proportional to 169,609.44, 254,414.16 and 57,289.96

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Solution

The fourth proportional to 169,609.44, 254,414.16 and 57,289.96 is: 85,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,609.44 : 254,414.16 = 57,289.96 : x
  2. Step 2: Convert to fraction form
    169,609.44/254,414.16 = 57,289.96/x
  3. Step 3: Cross multiply
    169,609.44x = 254,414.16 × 57,289.96
  4. Step 4: Simplify right side
    169,609.44x = 14,575,377,049.83
  5. Step 5: Solve for x
    x = 14,575,377,049.83/169,609.44
  6. Step 6: Final answer
    x = 85,934.94

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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.