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Finding the Fourth Proportional to 244,196.80, 366,295.20 and 139,220.80

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Solution

The fourth proportional to 244,196.80, 366,295.20 and 139,220.80 is: 208,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,196.80 : 366,295.20 = 139,220.80 : x
  2. Step 2: Convert to fraction form
    244,196.80/366,295.20 = 139,220.80/x
  3. Step 3: Cross multiply
    244,196.80x = 366,295.20 × 139,220.80
  4. Step 4: Simplify right side
    244,196.80x = 50,995,910,780.16
  5. Step 5: Solve for x
    x = 50,995,910,780.16/244,196.80
  6. Step 6: Final answer
    x = 208,831.20

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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.