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Finding the Fourth Proportional to 227,515.60, 341,289.60 and 69,743.80

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Solution

The fourth proportional to 227,515.60, 341,289.60 and 69,743.80 is: 104,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,515.60 : 341,289.60 = 69,743.80 : x
  2. Step 2: Convert to fraction form
    227,515.60/341,289.60 = 69,743.80/x
  3. Step 3: Cross multiply
    227,515.60x = 341,289.60 × 69,743.80
  4. Step 4: Simplify right side
    227,515.60x = 23,802,833,604.48
  5. Step 5: Solve for x
    x = 23,802,833,604.48/227,515.60
  6. Step 6: Final answer
    x = 104,620.67

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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.