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Finding the Fourth Proportional to 201,839.40, 302,759.10 and 96,604.20

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Solution

The fourth proportional to 201,839.40, 302,759.10 and 96,604.20 is: 144,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,839.40 : 302,759.10 = 96,604.20 : x
  2. Step 2: Convert to fraction form
    201,839.40/302,759.10 = 96,604.20/x
  3. Step 3: Cross multiply
    201,839.40x = 302,759.10 × 96,604.20
  4. Step 4: Simplify right side
    201,839.40x = 29,247,800,648.22
  5. Step 5: Solve for x
    x = 29,247,800,648.22/201,839.40
  6. Step 6: Final answer
    x = 144,906.30

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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.