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Finding the Fourth Proportional to 192,594.81, 288,735.66 and 80,358.67

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Solution

The fourth proportional to 192,594.81, 288,735.66 and 80,358.67 is: 120,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,594.81 : 288,735.66 = 80,358.67 : x
  2. Step 2: Convert to fraction form
    192,594.81/288,735.66 = 80,358.67/x
  3. Step 3: Cross multiply
    192,594.81x = 288,735.66 × 80,358.67
  4. Step 4: Simplify right side
    192,594.81x = 23,202,412,897.33
  5. Step 5: Solve for x
    x = 23,202,412,897.33/192,594.81
  6. Step 6: Final answer
    x = 120,472.68

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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.