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Finding the Fourth Proportional to 104,645.60, 156,961.20 and 33,567.20

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Solution

The fourth proportional to 104,645.60, 156,961.20 and 33,567.20 is: 50,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.60 : 156,961.20 = 33,567.20 : x
  2. Step 2: Convert to fraction form
    104,645.60/156,961.20 = 33,567.20/x
  3. Step 3: Cross multiply
    104,645.60x = 156,961.20 × 33,567.20
  4. Step 4: Simplify right side
    104,645.60x = 5,268,747,992.64
  5. Step 5: Solve for x
    x = 5,268,747,992.64/104,645.60
  6. Step 6: Final answer
    x = 50,348.49

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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.