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Finding the Fourth Proportional to 79,960.44, 119,941.08 and 33,213.36

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Solution

The fourth proportional to 79,960.44, 119,941.08 and 33,213.36 is: 49,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.44 : 119,941.08 = 33,213.36 : x
  2. Step 2: Convert to fraction form
    79,960.44/119,941.08 = 33,213.36/x
  3. Step 3: Cross multiply
    79,960.44x = 119,941.08 × 33,213.36
  4. Step 4: Simplify right side
    79,960.44x = 3,983,646,268.83
  5. Step 5: Solve for x
    x = 3,983,646,268.83/79,960.44
  6. Step 6: Final answer
    x = 49,820.21

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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.