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Finding the Fourth Proportional to 104,420.68, 156,714.24 and 37,879.96

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Solution

The fourth proportional to 104,420.68, 156,714.24 and 37,879.96 is: 56,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.68 : 156,714.24 = 37,879.96 : x
  2. Step 2: Convert to fraction form
    104,420.68/156,714.24 = 37,879.96/x
  3. Step 3: Cross multiply
    104,420.68x = 156,714.24 × 37,879.96
  4. Step 4: Simplify right side
    104,420.68x = 5,936,329,142.63
  5. Step 5: Solve for x
    x = 5,936,329,142.63/104,420.68
  6. Step 6: Final answer
    x = 56,850.13

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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.