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Finding the Fourth Proportional to 192,245, 263,371.28 and 185,057.28

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Solution

The fourth proportional to 192,245, 263,371.28 and 185,057.28 is: 253,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,245 : 263,371.28 = 185,057.28 : x
  2. Step 2: Convert to fraction form
    192,245/263,371.28 = 185,057.28/x
  3. Step 3: Cross multiply
    192,245x = 263,371.28 × 185,057.28
  4. Step 4: Simplify right side
    192,245x = 48,738,772,706.92
  5. Step 5: Solve for x
    x = 48,738,772,706.92/192,245
  6. Step 6: Final answer
    x = 253,524.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.