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Finding the Fourth Proportional to 336,108.20, 504,162.30 and 149,138.60

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Solution

The fourth proportional to 336,108.20, 504,162.30 and 149,138.60 is: 223,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,108.20 : 504,162.30 = 149,138.60 : x
  2. Step 2: Convert to fraction form
    336,108.20/504,162.30 = 149,138.60/x
  3. Step 3: Cross multiply
    336,108.20x = 504,162.30 × 149,138.60
  4. Step 4: Simplify right side
    336,108.20x = 75,190,059,594.78
  5. Step 5: Solve for x
    x = 75,190,059,594.78/336,108.20
  6. Step 6: Final answer
    x = 223,707.90

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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.