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Finding the Fourth Proportional to 167,249.09, 250,808.02 and 67,390.67

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Solution

The fourth proportional to 167,249.09, 250,808.02 and 67,390.67 is: 101,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,249.09 : 250,808.02 = 67,390.67 : x
  2. Step 2: Convert to fraction form
    167,249.09/250,808.02 = 67,390.67/x
  3. Step 3: Cross multiply
    167,249.09x = 250,808.02 × 67,390.67
  4. Step 4: Simplify right side
    167,249.09x = 16,902,120,967.72
  5. Step 5: Solve for x
    x = 16,902,120,967.72/167,249.09
  6. Step 6: Final answer
    x = 101,059.57

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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.