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Finding the Fourth Proportional to 209,299.33, 288,824.97 and 113,806.27

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Solution

The fourth proportional to 209,299.33, 288,824.97 and 113,806.27 is: 157,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,299.33 : 288,824.97 = 113,806.27 : x
  2. Step 2: Convert to fraction form
    209,299.33/288,824.97 = 113,806.27/x
  3. Step 3: Cross multiply
    209,299.33x = 288,824.97 × 113,806.27
  4. Step 4: Simplify right side
    209,299.33x = 32,870,092,518.56
  5. Step 5: Solve for x
    x = 32,870,092,518.56/209,299.33
  6. Step 6: Final answer
    x = 157,048.25

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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.