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Finding the Fourth Proportional to 168,266.20, 252,059.10 and 104,891.80

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Solution

The fourth proportional to 168,266.20, 252,059.10 and 104,891.80 is: 157,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,266.20 : 252,059.10 = 104,891.80 : x
  2. Step 2: Convert to fraction form
    168,266.20/252,059.10 = 104,891.80/x
  3. Step 3: Cross multiply
    168,266.20x = 252,059.10 × 104,891.80
  4. Step 4: Simplify right side
    168,266.20x = 26,438,932,705.38
  5. Step 5: Solve for x
    x = 26,438,932,705.38/168,266.20
  6. Step 6: Final answer
    x = 157,125.63

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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.