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Finding the Fourth Proportional to 167,229.99, 250,813.44 and 47,286

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Solution

The fourth proportional to 167,229.99, 250,813.44 and 47,286 is: 70,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,229.99 : 250,813.44 = 47,286 : x
  2. Step 2: Convert to fraction form
    167,229.99/250,813.44 = 47,286/x
  3. Step 3: Cross multiply
    167,229.99x = 250,813.44 × 47,286
  4. Step 4: Simplify right side
    167,229.99x = 11,859,964,323.84
  5. Step 5: Solve for x
    x = 11,859,964,323.84/167,229.99
  6. Step 6: Final answer
    x = 70,920.08

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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.