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Finding the Fourth Proportional to 244,880.20, 366,866.70 and 139,385.80

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Solution

The fourth proportional to 244,880.20, 366,866.70 and 139,385.80 is: 208,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,880.20 : 366,866.70 = 139,385.80 : x
  2. Step 2: Convert to fraction form
    244,880.20/366,866.70 = 139,385.80/x
  3. Step 3: Cross multiply
    244,880.20x = 366,866.70 × 139,385.80
  4. Step 4: Simplify right side
    244,880.20x = 51,136,008,472.86
  5. Step 5: Solve for x
    x = 51,136,008,472.86/244,880.20
  6. Step 6: Final answer
    x = 208,820.51

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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.