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Finding the Fourth Proportional to 62,138.03, 85,751.42 and 33,843.69

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Solution

The fourth proportional to 62,138.03, 85,751.42 and 33,843.69 is: 46,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.03 : 85,751.42 = 33,843.69 : x
  2. Step 2: Convert to fraction form
    62,138.03/85,751.42 = 33,843.69/x
  3. Step 3: Cross multiply
    62,138.03x = 85,751.42 × 33,843.69
  4. Step 4: Simplify right side
    62,138.03x = 2,902,144,306.32
  5. Step 5: Solve for x
    x = 2,902,144,306.32/62,138.03
  6. Step 6: Final answer
    x = 46,704.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.