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Finding the Fourth Proportional to 248,808.86, 373,201.94 and 80,336.96

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Solution

The fourth proportional to 248,808.86, 373,201.94 and 80,336.96 is: 120,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,808.86 : 373,201.94 = 80,336.96 : x
  2. Step 2: Convert to fraction form
    248,808.86/373,201.94 = 80,336.96/x
  3. Step 3: Cross multiply
    248,808.86x = 373,201.94 × 80,336.96
  4. Step 4: Simplify right side
    248,808.86x = 29,981,909,325.70
  5. Step 5: Solve for x
    x = 29,981,909,325.70/248,808.86
  6. Step 6: Final answer
    x = 120,501.78

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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.