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Finding the Fourth Proportional to 246,679.75, 370,078.13 and 80,467.75

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Solution

The fourth proportional to 246,679.75, 370,078.13 and 80,467.75 is: 120,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,679.75 : 370,078.13 = 80,467.75 : x
  2. Step 2: Convert to fraction form
    246,679.75/370,078.13 = 80,467.75/x
  3. Step 3: Cross multiply
    246,679.75x = 370,078.13 × 80,467.75
  4. Step 4: Simplify right side
    246,679.75x = 29,779,354,445.31
  5. Step 5: Solve for x
    x = 29,779,354,445.31/246,679.75
  6. Step 6: Final answer
    x = 120,720.71

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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.