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Finding the Fourth Proportional to 133,691.34, 200,562.34 and 53,735.54

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Solution

The fourth proportional to 133,691.34, 200,562.34 and 53,735.54 is: 80,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,691.34 : 200,562.34 = 53,735.54 : x
  2. Step 2: Convert to fraction form
    133,691.34/200,562.34 = 53,735.54/x
  3. Step 3: Cross multiply
    133,691.34x = 200,562.34 × 53,735.54
  4. Step 4: Simplify right side
    133,691.34x = 10,777,325,643.56
  5. Step 5: Solve for x
    x = 10,777,325,643.56/133,691.34
  6. Step 6: Final answer
    x = 80,613.49

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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.