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Finding the Fourth Proportional to 159,806.57, 220,545.54 and 91,847.27

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Solution

The fourth proportional to 159,806.57, 220,545.54 and 91,847.27 is: 126,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,806.57 : 220,545.54 = 91,847.27 : x
  2. Step 2: Convert to fraction form
    159,806.57/220,545.54 = 91,847.27/x
  3. Step 3: Cross multiply
    159,806.57x = 220,545.54 × 91,847.27
  4. Step 4: Simplify right side
    159,806.57x = 20,256,504,197.71
  5. Step 5: Solve for x
    x = 20,256,504,197.71/159,806.57
  6. Step 6: Final answer
    x = 126,756.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.