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Finding the Fourth Proportional to 244,922.70, 366,930.45 and 139,428.30

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Solution

The fourth proportional to 244,922.70, 366,930.45 and 139,428.30 is: 208,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,922.70 : 366,930.45 = 139,428.30 : x
  2. Step 2: Convert to fraction form
    244,922.70/366,930.45 = 139,428.30/x
  3. Step 3: Cross multiply
    244,922.70x = 366,930.45 × 139,428.30
  4. Step 4: Simplify right side
    244,922.70x = 51,160,488,861.74
  5. Step 5: Solve for x
    x = 51,160,488,861.74/244,922.70
  6. Step 6: Final answer
    x = 208,884.23

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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.