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Finding the Fourth Proportional to 224,483.69, 309,794.02 and 122,515.70

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Solution

The fourth proportional to 224,483.69, 309,794.02 and 122,515.70 is: 169,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,483.69 : 309,794.02 = 122,515.70 : x
  2. Step 2: Convert to fraction form
    224,483.69/309,794.02 = 122,515.70/x
  3. Step 3: Cross multiply
    224,483.69x = 309,794.02 × 122,515.70
  4. Step 4: Simplify right side
    224,483.69x = 37,954,629,360.85
  5. Step 5: Solve for x
    x = 37,954,629,360.85/224,483.69
  6. Step 6: Final answer
    x = 169,075.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.