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Finding the Fourth Proportional to 133,846.20, 200,538.90 and 63,574.20

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Solution

The fourth proportional to 133,846.20, 200,538.90 and 63,574.20 is: 95,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,846.20 : 200,538.90 = 63,574.20 : x
  2. Step 2: Convert to fraction form
    133,846.20/200,538.90 = 63,574.20/x
  3. Step 3: Cross multiply
    133,846.20x = 200,538.90 × 63,574.20
  4. Step 4: Simplify right side
    133,846.20x = 12,749,100,136.38
  5. Step 5: Solve for x
    x = 12,749,100,136.38/133,846.20
  6. Step 6: Final answer
    x = 95,251.86

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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.