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Finding the Fourth Proportional to 224,982.85, 310,481.23 and 134,321.90

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Solution

The fourth proportional to 224,982.85, 310,481.23 and 134,321.90 is: 185,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,982.85 : 310,481.23 = 134,321.90 : x
  2. Step 2: Convert to fraction form
    224,982.85/310,481.23 = 134,321.90/x
  3. Step 3: Cross multiply
    224,982.85x = 310,481.23 × 134,321.90
  4. Step 4: Simplify right side
    224,982.85x = 41,704,429,168.34
  5. Step 5: Solve for x
    x = 41,704,429,168.34/224,982.85
  6. Step 6: Final answer
    x = 185,367.15

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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.