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Finding the Fourth Proportional to 192,206.62, 265,174.86 and 120,560.50

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Solution

The fourth proportional to 192,206.62, 265,174.86 and 120,560.50 is: 166,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,206.62 : 265,174.86 = 120,560.50 : x
  2. Step 2: Convert to fraction form
    192,206.62/265,174.86 = 120,560.50/x
  3. Step 3: Cross multiply
    192,206.62x = 265,174.86 × 120,560.50
  4. Step 4: Simplify right side
    192,206.62x = 31,969,613,709.03
  5. Step 5: Solve for x
    x = 31,969,613,709.03/192,206.62
  6. Step 6: Final answer
    x = 166,329.41

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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.