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Finding the Fourth Proportional to 133,850.88, 200,815.20 and 63,789.12

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Solution

The fourth proportional to 133,850.88, 200,815.20 and 63,789.12 is: 95,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,850.88 : 200,815.20 = 63,789.12 : x
  2. Step 2: Convert to fraction form
    133,850.88/200,815.20 = 63,789.12/x
  3. Step 3: Cross multiply
    133,850.88x = 200,815.20 × 63,789.12
  4. Step 4: Simplify right side
    133,850.88x = 12,809,824,890.62
  5. Step 5: Solve for x
    x = 12,809,824,890.62/133,850.88
  6. Step 6: Final answer
    x = 95,702.21

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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.