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Finding the Fourth Proportional to 139,183.41, 208,672.88 and 44,359.03

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Solution

The fourth proportional to 139,183.41, 208,672.88 and 44,359.03 is: 66,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,183.41 : 208,672.88 = 44,359.03 : x
  2. Step 2: Convert to fraction form
    139,183.41/208,672.88 = 44,359.03/x
  3. Step 3: Cross multiply
    139,183.41x = 208,672.88 × 44,359.03
  4. Step 4: Simplify right side
    139,183.41x = 9,256,525,800.63
  5. Step 5: Solve for x
    x = 9,256,525,800.63/139,183.41
  6. Step 6: Final answer
    x = 66,505.96

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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.