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Finding the Fourth Proportional to 133,640.40, 200,465.44 and 44,896.80

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Solution

The fourth proportional to 133,640.40, 200,465.44 and 44,896.80 is: 67,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.40 : 200,465.44 = 44,896.80 : x
  2. Step 2: Convert to fraction form
    133,640.40/200,465.44 = 44,896.80/x
  3. Step 3: Cross multiply
    133,640.40x = 200,465.44 × 44,896.80
  4. Step 4: Simplify right side
    133,640.40x = 9,000,256,766.59
  5. Step 5: Solve for x
    x = 9,000,256,766.59/133,640.40
  6. Step 6: Final answer
    x = 67,346.83

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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.