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Finding the Fourth Proportional to 201,446.67, 302,173.49 and 68,330.37

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Solution

The fourth proportional to 201,446.67, 302,173.49 and 68,330.37 is: 102,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,446.67 : 302,173.49 = 68,330.37 : x
  2. Step 2: Convert to fraction form
    201,446.67/302,173.49 = 68,330.37/x
  3. Step 3: Cross multiply
    201,446.67x = 302,173.49 × 68,330.37
  4. Step 4: Simplify right side
    201,446.67x = 20,647,626,375.89
  5. Step 5: Solve for x
    x = 20,647,626,375.89/201,446.67
  6. Step 6: Final answer
    x = 102,496.74

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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.