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Finding the Fourth Proportional to 167,300.80, 250,729.68 and 122,718.80

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Solution

The fourth proportional to 167,300.80, 250,729.68 and 122,718.80 is: 183,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,300.80 : 250,729.68 = 122,718.80 : x
  2. Step 2: Convert to fraction form
    167,300.80/250,729.68 = 122,718.80/x
  3. Step 3: Cross multiply
    167,300.80x = 250,729.68 × 122,718.80
  4. Step 4: Simplify right side
    167,300.80x = 30,769,245,453.98
  5. Step 5: Solve for x
    x = 30,769,245,453.98/167,300.80
  6. Step 6: Final answer
    x = 183,915.71

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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.