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Finding the Fourth Proportional to 192,052.80, 288,040.80 and 92,212.80

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Solution

The fourth proportional to 192,052.80, 288,040.80 and 92,212.80 is: 138,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,052.80 : 288,040.80 = 92,212.80 : x
  2. Step 2: Convert to fraction form
    192,052.80/288,040.80 = 92,212.80/x
  3. Step 3: Cross multiply
    192,052.80x = 288,040.80 × 92,212.80
  4. Step 4: Simplify right side
    192,052.80x = 26,561,048,682.24
  5. Step 5: Solve for x
    x = 26,561,048,682.24/192,052.80
  6. Step 6: Final answer
    x = 138,300.76

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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.