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Finding the Fourth Proportional to 269,529.60, 404,391.60 and 111,806.40

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Solution

The fourth proportional to 269,529.60, 404,391.60 and 111,806.40 is: 167,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,529.60 : 404,391.60 = 111,806.40 : x
  2. Step 2: Convert to fraction form
    269,529.60/404,391.60 = 111,806.40/x
  3. Step 3: Cross multiply
    269,529.60x = 404,391.60 × 111,806.40
  4. Step 4: Simplify right side
    269,529.60x = 45,213,568,986.24
  5. Step 5: Solve for x
    x = 45,213,568,986.24/269,529.60
  6. Step 6: Final answer
    x = 167,749.92

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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.