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Finding the Fourth Proportional to 139,757.73, 209,607.22 and 44,996.37

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Solution

The fourth proportional to 139,757.73, 209,607.22 and 44,996.37 is: 67,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,757.73 : 209,607.22 = 44,996.37 : x
  2. Step 2: Convert to fraction form
    139,757.73/209,607.22 = 44,996.37/x
  3. Step 3: Cross multiply
    139,757.73x = 209,607.22 × 44,996.37
  4. Step 4: Simplify right side
    139,757.73x = 9,431,564,025.79
  5. Step 5: Solve for x
    x = 9,431,564,025.79/139,757.73
  6. Step 6: Final answer
    x = 67,485.10

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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.