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Finding the Fourth Proportional to 201,533.67, 301,654.13 and 133,910.42

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Solution

The fourth proportional to 201,533.67, 301,654.13 and 133,910.42 is: 200,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,533.67 : 301,654.13 = 133,910.42 : x
  2. Step 2: Convert to fraction form
    201,533.67/301,654.13 = 133,910.42/x
  3. Step 3: Cross multiply
    201,533.67x = 301,654.13 × 133,910.42
  4. Step 4: Simplify right side
    201,533.67x = 40,394,629,065.21
  5. Step 5: Solve for x
    x = 40,394,629,065.21/201,533.67
  6. Step 6: Final answer
    x = 200,436.13

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1.5x scale

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.