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Finding the Fourth Proportional to 111,891.20, 167,836.80 and 41,766.80

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Solution

The fourth proportional to 111,891.20, 167,836.80 and 41,766.80 is: 62,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,891.20 : 167,836.80 = 41,766.80 : x
  2. Step 2: Convert to fraction form
    111,891.20/167,836.80 = 41,766.80/x
  3. Step 3: Cross multiply
    111,891.20x = 167,836.80 × 41,766.80
  4. Step 4: Simplify right side
    111,891.20x = 7,010,006,058.24
  5. Step 5: Solve for x
    x = 7,010,006,058.24/111,891.20
  6. Step 6: Final answer
    x = 62,650.20

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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.