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Finding the Fourth Proportional to 227,199.96, 340,800.75 and 69,427.76

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Solution

The fourth proportional to 227,199.96, 340,800.75 and 69,427.76 is: 104,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,199.96 : 340,800.75 = 69,427.76 : x
  2. Step 2: Convert to fraction form
    227,199.96/340,800.75 = 69,427.76/x
  3. Step 3: Cross multiply
    227,199.96x = 340,800.75 × 69,427.76
  4. Step 4: Simplify right side
    227,199.96x = 23,661,030,974.82
  5. Step 5: Solve for x
    x = 23,661,030,974.82/227,199.96
  6. Step 6: Final answer
    x = 104,141.88

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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.