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Finding the Fourth Proportional to 133,452.70, 184,163.16 and 73,022.65

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Solution

The fourth proportional to 133,452.70, 184,163.16 and 73,022.65 is: 100,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452.70 : 184,163.16 = 73,022.65 : x
  2. Step 2: Convert to fraction form
    133,452.70/184,163.16 = 73,022.65/x
  3. Step 3: Cross multiply
    133,452.70x = 184,163.16 × 73,022.65
  4. Step 4: Simplify right side
    133,452.70x = 13,448,081,975.57
  5. Step 5: Solve for x
    x = 13,448,081,975.57/133,452.70
  6. Step 6: Final answer
    x = 100,770.40

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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.