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Finding the Fourth Proportional to 168,773.80, 253,257.90 and 63,668.20

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Solution

The fourth proportional to 168,773.80, 253,257.90 and 63,668.20 is: 95,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,773.80 : 253,257.90 = 63,668.20 : x
  2. Step 2: Convert to fraction form
    168,773.80/253,257.90 = 63,668.20/x
  3. Step 3: Cross multiply
    168,773.80x = 253,257.90 × 63,668.20
  4. Step 4: Simplify right side
    168,773.80x = 16,124,474,628.78
  5. Step 5: Solve for x
    x = 16,124,474,628.78/168,773.80
  6. Step 6: Final answer
    x = 95,538.97

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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.