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Finding the Fourth Proportional to 167,156.91, 250,745.49 and 67,317.12

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Solution

The fourth proportional to 167,156.91, 250,745.49 and 67,317.12 is: 100,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,156.91 : 250,745.49 = 67,317.12 : x
  2. Step 2: Convert to fraction form
    167,156.91/250,745.49 = 67,317.12/x
  3. Step 3: Cross multiply
    167,156.91x = 250,745.49 × 67,317.12
  4. Step 4: Simplify right side
    167,156.91x = 16,879,464,239.79
  5. Step 5: Solve for x
    x = 16,879,464,239.79/167,156.91
  6. Step 6: Final answer
    x = 100,979.76

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1.5x scale

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.