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Finding the Fourth Proportional to 104,562.60, 156,786.30 and 34,405.80

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Solution

The fourth proportional to 104,562.60, 156,786.30 and 34,405.80 is: 51,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,562.60 : 156,786.30 = 34,405.80 : x
  2. Step 2: Convert to fraction form
    104,562.60/156,786.30 = 34,405.80/x
  3. Step 3: Cross multiply
    104,562.60x = 156,786.30 × 34,405.80
  4. Step 4: Simplify right side
    104,562.60x = 5,394,358,080.54
  5. Step 5: Solve for x
    x = 5,394,358,080.54/104,562.60
  6. Step 6: Final answer
    x = 51,589.75

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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.