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Finding the Fourth Proportional to 230,589.46, 345,989.27 and 118,348.49

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Solution

The fourth proportional to 230,589.46, 345,989.27 and 118,348.49 is: 177,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,589.46 : 345,989.27 = 118,348.49 : x
  2. Step 2: Convert to fraction form
    230,589.46/345,989.27 = 118,348.49/x
  3. Step 3: Cross multiply
    230,589.46x = 345,989.27 × 118,348.49
  4. Step 4: Simplify right side
    230,589.46x = 40,947,308,821.55
  5. Step 5: Solve for x
    x = 40,947,308,821.55/230,589.46
  6. Step 6: Final answer
    x = 177,576.67

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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.