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Finding the Fourth Proportional to 133,472.20, 184,190.04 and 73,042.20

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Solution

The fourth proportional to 133,472.20, 184,190.04 and 73,042.20 is: 100,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,472.20 : 184,190.04 = 73,042.20 : x
  2. Step 2: Convert to fraction form
    133,472.20/184,190.04 = 73,042.20/x
  3. Step 3: Cross multiply
    133,472.20x = 184,190.04 × 73,042.20
  4. Step 4: Simplify right side
    133,472.20x = 13,453,645,739.69
  5. Step 5: Solve for x
    x = 13,453,645,739.69/133,472.20
  6. Step 6: Final answer
    x = 100,797.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.