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Finding the Fourth Proportional to 192,113.37, 288,107.78 and 63,995.49

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Solution

The fourth proportional to 192,113.37, 288,107.78 and 63,995.49 is: 95,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,113.37 : 288,107.78 = 63,995.49 : x
  2. Step 2: Convert to fraction form
    192,113.37/288,107.78 = 63,995.49/x
  3. Step 3: Cross multiply
    192,113.37x = 288,107.78 × 63,995.49
  4. Step 4: Simplify right side
    192,113.37x = 18,437,598,233.93
  5. Step 5: Solve for x
    x = 18,437,598,233.93/192,113.37
  6. Step 6: Final answer
    x = 95,972.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.