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Finding the Fourth Proportional to 192,449.97, 265,570.20 and 106,403.97

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Solution

The fourth proportional to 192,449.97, 265,570.20 and 106,403.97 is: 146,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,449.97 : 265,570.20 = 106,403.97 : x
  2. Step 2: Convert to fraction form
    192,449.97/265,570.20 = 106,403.97/x
  3. Step 3: Cross multiply
    192,449.97x = 265,570.20 × 106,403.97
  4. Step 4: Simplify right side
    192,449.97x = 28,257,723,593.69
  5. Step 5: Solve for x
    x = 28,257,723,593.69/192,449.97
  6. Step 6: Final answer
    x = 146,831.53

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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.