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Finding the Fourth Proportional to 192,447.77, 288,683.46 and 74,119.46

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Solution

The fourth proportional to 192,447.77, 288,683.46 and 74,119.46 is: 111,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,447.77 : 288,683.46 = 74,119.46 : x
  2. Step 2: Convert to fraction form
    192,447.77/288,683.46 = 74,119.46/x
  3. Step 3: Cross multiply
    192,447.77x = 288,683.46 × 74,119.46
  4. Step 4: Simplify right side
    192,447.77x = 21,397,060,722.71
  5. Step 5: Solve for x
    x = 21,397,060,722.71/192,447.77
  6. Step 6: Final answer
    x = 111,183.73

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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.