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Finding the Fourth Proportional to 192,607.80, 265,797.24 and 107,724.80

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Solution

The fourth proportional to 192,607.80, 265,797.24 and 107,724.80 is: 148,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,607.80 : 265,797.24 = 107,724.80 : x
  2. Step 2: Convert to fraction form
    192,607.80/265,797.24 = 107,724.80/x
  3. Step 3: Cross multiply
    192,607.80x = 265,797.24 × 107,724.80
  4. Step 4: Simplify right side
    192,607.80x = 28,632,954,519.55
  5. Step 5: Solve for x
    x = 28,632,954,519.55/192,607.80
  6. Step 6: Final answer
    x = 148,659.37

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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.