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Finding the Fourth Proportional to 104,080.80, 156,063.60 and 41,680.80

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Solution

The fourth proportional to 104,080.80, 156,063.60 and 41,680.80 is: 62,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.80 : 156,063.60 = 41,680.80 : x
  2. Step 2: Convert to fraction form
    104,080.80/156,063.60 = 41,680.80/x
  3. Step 3: Cross multiply
    104,080.80x = 156,063.60 × 41,680.80
  4. Step 4: Simplify right side
    104,080.80x = 6,504,855,698.88
  5. Step 5: Solve for x
    x = 6,504,855,698.88/104,080.80
  6. Step 6: Final answer
    x = 62,498.13

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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.