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Finding the Fourth Proportional to 133,652.10, 200,672.55 and 100,604.10

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Solution

The fourth proportional to 133,652.10, 200,672.55 and 100,604.10 is: 151,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,652.10 : 200,672.55 = 100,604.10 : x
  2. Step 2: Convert to fraction form
    133,652.10/200,672.55 = 100,604.10/x
  3. Step 3: Cross multiply
    133,652.10x = 200,672.55 × 100,604.10
  4. Step 4: Simplify right side
    133,652.10x = 20,188,481,287.46
  5. Step 5: Solve for x
    x = 20,188,481,287.46/133,652.10
  6. Step 6: Final answer
    x = 151,052.48

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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.