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Finding the Fourth Proportional to 114,542.73, 171,745.07 and 51,351.42

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Solution

The fourth proportional to 114,542.73, 171,745.07 and 51,351.42 is: 76,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,542.73 : 171,745.07 = 51,351.42 : x
  2. Step 2: Convert to fraction form
    114,542.73/171,745.07 = 51,351.42/x
  3. Step 3: Cross multiply
    114,542.73x = 171,745.07 × 51,351.42
  4. Step 4: Simplify right side
    114,542.73x = 8,819,353,609.79
  5. Step 5: Solve for x
    x = 8,819,353,609.79/114,542.73
  6. Step 6: Final answer
    x = 76,996.19

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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.