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Finding the Fourth Proportional to 248,808.11, 373,200.82 and 80,336.21

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Solution

The fourth proportional to 248,808.11, 373,200.82 and 80,336.21 is: 120,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,808.11 : 373,200.82 = 80,336.21 : x
  2. Step 2: Convert to fraction form
    248,808.11/373,200.82 = 80,336.21/x
  3. Step 3: Cross multiply
    248,808.11x = 373,200.82 × 80,336.21
  4. Step 4: Simplify right side
    248,808.11x = 29,981,539,447.69
  5. Step 5: Solve for x
    x = 29,981,539,447.69/248,808.11
  6. Step 6: Final answer
    x = 120,500.65

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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.