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Finding the Fourth Proportional to 224,879.40, 337,448.70 and 84,738.60

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Solution

The fourth proportional to 224,879.40, 337,448.70 and 84,738.60 is: 127,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,879.40 : 337,448.70 = 84,738.60 : x
  2. Step 2: Convert to fraction form
    224,879.40/337,448.70 = 84,738.60/x
  3. Step 3: Cross multiply
    224,879.40x = 337,448.70 × 84,738.60
  4. Step 4: Simplify right side
    224,879.40x = 28,594,930,409.82
  5. Step 5: Solve for x
    x = 28,594,930,409.82/224,879.40
  6. Step 6: Final answer
    x = 127,156.74

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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.