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Finding the Fourth Proportional to 104,412.10, 156,508.80 and 41,207.80

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Solution

The fourth proportional to 104,412.10, 156,508.80 and 41,207.80 is: 61,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,412.10 : 156,508.80 = 41,207.80 : x
  2. Step 2: Convert to fraction form
    104,412.10/156,508.80 = 41,207.80/x
  3. Step 3: Cross multiply
    104,412.10x = 156,508.80 × 41,207.80
  4. Step 4: Simplify right side
    104,412.10x = 6,449,383,328.64
  5. Step 5: Solve for x
    x = 6,449,383,328.64/104,412.10
  6. Step 6: Final answer
    x = 61,768.54

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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.