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Finding the Fourth Proportional to 167,930.20, 251,700.90 and 68,024.80

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Solution

The fourth proportional to 167,930.20, 251,700.90 and 68,024.80 is: 101,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.20 : 251,700.90 = 68,024.80 : x
  2. Step 2: Convert to fraction form
    167,930.20/251,700.90 = 68,024.80/x
  3. Step 3: Cross multiply
    167,930.20x = 251,700.90 × 68,024.80
  4. Step 4: Simplify right side
    167,930.20x = 17,121,903,382.32
  5. Step 5: Solve for x
    x = 17,121,903,382.32/167,930.20
  6. Step 6: Final answer
    x = 101,958.45

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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.