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Finding the Fourth Proportional to 192,651.92, 265,966.44 and 132,258.32

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Solution

The fourth proportional to 192,651.92, 265,966.44 and 132,258.32 is: 182,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,651.92 : 265,966.44 = 132,258.32 : x
  2. Step 2: Convert to fraction form
    192,651.92/265,966.44 = 132,258.32/x
  3. Step 3: Cross multiply
    192,651.92x = 265,966.44 × 132,258.32
  4. Step 4: Simplify right side
    192,651.92x = 35,176,274,530.78
  5. Step 5: Solve for x
    x = 35,176,274,530.78/192,651.92
  6. Step 6: Final answer
    x = 182,589.79

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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.