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Finding the Fourth Proportional to 192,561.75, 265,645.73 and 124,600.64

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Solution

The fourth proportional to 192,561.75, 265,645.73 and 124,600.64 is: 171,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,561.75 : 265,645.73 = 124,600.64 : x
  2. Step 2: Convert to fraction form
    192,561.75/265,645.73 = 124,600.64/x
  3. Step 3: Cross multiply
    192,561.75x = 265,645.73 × 124,600.64
  4. Step 4: Simplify right side
    192,561.75x = 33,099,626,954.54
  5. Step 5: Solve for x
    x = 33,099,626,954.54/192,561.75
  6. Step 6: Final answer
    x = 171,890.97

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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.