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Finding the Fourth Proportional to 192,351.66, 265,455.39 and 115,894.77

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Solution

The fourth proportional to 192,351.66, 265,455.39 and 115,894.77 is: 159,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,351.66 : 265,455.39 = 115,894.77 : x
  2. Step 2: Convert to fraction form
    192,351.66/265,455.39 = 115,894.77/x
  3. Step 3: Cross multiply
    192,351.66x = 265,455.39 × 115,894.77
  4. Step 4: Simplify right side
    192,351.66x = 30,764,891,369.31
  5. Step 5: Solve for x
    x = 30,764,891,369.31/192,351.66
  6. Step 6: Final answer
    x = 159,940.87

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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.