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Finding the Fourth Proportional to 133,847.70, 200,618.91 and 63,627.54

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Solution

The fourth proportional to 133,847.70, 200,618.91 and 63,627.54 is: 95,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,847.70 : 200,618.91 = 63,627.54 : x
  2. Step 2: Convert to fraction form
    133,847.70/200,618.91 = 63,627.54/x
  3. Step 3: Cross multiply
    133,847.70x = 200,618.91 × 63,627.54
  4. Step 4: Simplify right side
    133,847.70x = 12,764,887,720.78
  5. Step 5: Solve for x
    x = 12,764,887,720.78/133,847.70
  6. Step 6: Final answer
    x = 95,368.75

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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.