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Finding the Fourth Proportional to 133,550.60, 200,325.90 and 126,989.60

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Solution

The fourth proportional to 133,550.60, 200,325.90 and 126,989.60 is: 190,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,550.60 : 200,325.90 = 126,989.60 : x
  2. Step 2: Convert to fraction form
    133,550.60/200,325.90 = 126,989.60/x
  3. Step 3: Cross multiply
    133,550.60x = 200,325.90 × 126,989.60
  4. Step 4: Simplify right side
    133,550.60x = 25,439,305,910.64
  5. Step 5: Solve for x
    x = 25,439,305,910.64/133,550.60
  6. Step 6: Final answer
    x = 190,484.40

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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.