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Finding the Fourth Proportional to 104,515.64, 156,815.02 and 33,449.26

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Solution

The fourth proportional to 104,515.64, 156,815.02 and 33,449.26 is: 50,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.64 : 156,815.02 = 33,449.26 : x
  2. Step 2: Convert to fraction form
    104,515.64/156,815.02 = 33,449.26/x
  3. Step 3: Cross multiply
    104,515.64x = 156,815.02 × 33,449.26
  4. Step 4: Simplify right side
    104,515.64x = 5,245,346,375.89
  5. Step 5: Solve for x
    x = 5,245,346,375.89/104,515.64
  6. Step 6: Final answer
    x = 50,187.19

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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.