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Finding the Fourth Proportional to 227,300.62, 340,938.65 and 69,529.07

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Solution

The fourth proportional to 227,300.62, 340,938.65 and 69,529.07 is: 104,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,300.62 : 340,938.65 = 69,529.07 : x
  2. Step 2: Convert to fraction form
    227,300.62/340,938.65 = 69,529.07/x
  3. Step 3: Cross multiply
    227,300.62x = 340,938.65 × 69,529.07
  4. Step 4: Simplify right side
    227,300.62x = 23,705,147,261.56
  5. Step 5: Solve for x
    x = 23,705,147,261.56/227,300.62
  6. Step 6: Final answer
    x = 104,289.85

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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.