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Finding the Fourth Proportional to 135,571.66, 203,318.60 and 52,446.22

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Solution

The fourth proportional to 135,571.66, 203,318.60 and 52,446.22 is: 78,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,571.66 : 203,318.60 = 52,446.22 : x
  2. Step 2: Convert to fraction form
    135,571.66/203,318.60 = 52,446.22/x
  3. Step 3: Cross multiply
    135,571.66x = 203,318.60 × 52,446.22
  4. Step 4: Simplify right side
    135,571.66x = 10,663,292,025.69
  5. Step 5: Solve for x
    x = 10,663,292,025.69/135,571.66
  6. Step 6: Final answer
    x = 78,654.29

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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.