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Finding the Fourth Proportional to 133,099.20, 199,648.80 and 44,355.60

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Solution

The fourth proportional to 133,099.20, 199,648.80 and 44,355.60 is: 66,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.20 : 199,648.80 = 44,355.60 : x
  2. Step 2: Convert to fraction form
    133,099.20/199,648.80 = 44,355.60/x
  3. Step 3: Cross multiply
    133,099.20x = 199,648.80 × 44,355.60
  4. Step 4: Simplify right side
    133,099.20x = 8,855,542,313.28
  5. Step 5: Solve for x
    x = 8,855,542,313.28/133,099.20
  6. Step 6: Final answer
    x = 66,533.40

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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.