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Finding the Fourth Proportional to 247,693.44, 341,829 and 140,268

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Solution

The fourth proportional to 247,693.44, 341,829 and 140,268 is: 193,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,693.44 : 341,829 = 140,268 : x
  2. Step 2: Convert to fraction form
    247,693.44/341,829 = 140,268/x
  3. Step 3: Cross multiply
    247,693.44x = 341,829 × 140,268
  4. Step 4: Simplify right side
    247,693.44x = 47,947,670,172
  5. Step 5: Solve for x
    x = 47,947,670,172/247,693.44
  6. Step 6: Final answer
    x = 193,576.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.