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Finding the Fourth Proportional to 227,224.40, 340,836.60 and 69,432.35

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Solution

The fourth proportional to 227,224.40, 340,836.60 and 69,432.35 is: 104,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,224.40 : 340,836.60 = 69,432.35 : x
  2. Step 2: Convert to fraction form
    227,224.40/340,836.60 = 69,432.35/x
  3. Step 3: Cross multiply
    227,224.40x = 340,836.60 × 69,432.35
  4. Step 4: Simplify right side
    227,224.40x = 23,665,086,104.01
  5. Step 5: Solve for x
    x = 23,665,086,104.01/227,224.40
  6. Step 6: Final answer
    x = 104,148.53

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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.