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Finding the Fourth Proportional to 136,604.52, 204,943.26 and 43,112.04

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Solution

The fourth proportional to 136,604.52, 204,943.26 and 43,112.04 is: 64,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,604.52 : 204,943.26 = 43,112.04 : x
  2. Step 2: Convert to fraction form
    136,604.52/204,943.26 = 43,112.04/x
  3. Step 3: Cross multiply
    136,604.52x = 204,943.26 × 43,112.04
  4. Step 4: Simplify right side
    136,604.52x = 8,835,522,022.85
  5. Step 5: Solve for x
    x = 8,835,522,022.85/136,604.52
  6. Step 6: Final answer
    x = 64,679.57

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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.