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Finding the Fourth Proportional to 227,219.70, 340,829.56 and 69,446.82

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Solution

The fourth proportional to 227,219.70, 340,829.56 and 69,446.82 is: 104,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,219.70 : 340,829.56 = 69,446.82 : x
  2. Step 2: Convert to fraction form
    227,219.70/340,829.56 = 69,446.82/x
  3. Step 3: Cross multiply
    227,219.70x = 340,829.56 × 69,446.82
  4. Step 4: Simplify right side
    227,219.70x = 23,669,529,104.00
  5. Step 5: Solve for x
    x = 23,669,529,104.00/227,219.70
  6. Step 6: Final answer
    x = 104,170.23

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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.