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Finding the Fourth Proportional to 167,561.28, 251,520.97 and 67,786.69

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Solution

The fourth proportional to 167,561.28, 251,520.97 and 67,786.69 is: 101,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,561.28 : 251,520.97 = 67,786.69 : x
  2. Step 2: Convert to fraction form
    167,561.28/251,520.97 = 67,786.69/x
  3. Step 3: Cross multiply
    167,561.28x = 251,520.97 × 67,786.69
  4. Step 4: Simplify right side
    167,561.28x = 17,049,774,021.89
  5. Step 5: Solve for x
    x = 17,049,774,021.89/167,561.28
  6. Step 6: Final answer
    x = 101,752.47

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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.