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Finding the Fourth Proportional to 244,715.30, 367,072.95 and 139,739.30

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Solution

The fourth proportional to 244,715.30, 367,072.95 and 139,739.30 is: 209,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,715.30 : 367,072.95 = 139,739.30 : x
  2. Step 2: Convert to fraction form
    244,715.30/367,072.95 = 139,739.30/x
  3. Step 3: Cross multiply
    244,715.30x = 367,072.95 × 139,739.30
  4. Step 4: Simplify right side
    244,715.30x = 51,294,517,081.94
  5. Step 5: Solve for x
    x = 51,294,517,081.94/244,715.30
  6. Step 6: Final answer
    x = 209,608.95

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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.