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Finding the Fourth Proportional to 167,064.87, 250,721.85 and 67,225.91

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Solution

The fourth proportional to 167,064.87, 250,721.85 and 67,225.91 is: 100,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,064.87 : 250,721.85 = 67,225.91 : x
  2. Step 2: Convert to fraction form
    167,064.87/250,721.85 = 67,225.91/x
  3. Step 3: Cross multiply
    167,064.87x = 250,721.85 × 67,225.91
  4. Step 4: Simplify right side
    167,064.87x = 16,855,004,523.13
  5. Step 5: Solve for x
    x = 16,855,004,523.13/167,064.87
  6. Step 6: Final answer
    x = 100,888.98

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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.