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Finding the Fourth Proportional to 248,806.86, 373,198.94 and 80,334.96

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Solution

The fourth proportional to 248,806.86, 373,198.94 and 80,334.96 is: 120,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,806.86 : 373,198.94 = 80,334.96 : x
  2. Step 2: Convert to fraction form
    248,806.86/373,198.94 = 80,334.96/x
  3. Step 3: Cross multiply
    248,806.86x = 373,198.94 × 80,334.96
  4. Step 4: Simplify right side
    248,806.86x = 29,980,921,916.94
  5. Step 5: Solve for x
    x = 29,980,921,916.94/248,806.86
  6. Step 6: Final answer
    x = 120,498.78

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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.