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Finding the Fourth Proportional to 167,170.40, 250,752.96 and 67,328.24

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Solution

The fourth proportional to 167,170.40, 250,752.96 and 67,328.24 is: 100,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,170.40 : 250,752.96 = 67,328.24 : x
  2. Step 2: Convert to fraction form
    167,170.40/250,752.96 = 67,328.24/x
  3. Step 3: Cross multiply
    167,170.40x = 250,752.96 × 67,328.24
  4. Step 4: Simplify right side
    167,170.40x = 16,882,755,471.59
  5. Step 5: Solve for x
    x = 16,882,755,471.59/167,170.40
  6. Step 6: Final answer
    x = 100,991.30

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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.