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Finding the Fourth Proportional to 168,440.32, 252,842.46 and 149,839.48

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Solution

The fourth proportional to 168,440.32, 252,842.46 and 149,839.48 is: 224,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440.32 : 252,842.46 = 149,839.48 : x
  2. Step 2: Convert to fraction form
    168,440.32/252,842.46 = 149,839.48/x
  3. Step 3: Cross multiply
    168,440.32x = 252,842.46 × 149,839.48
  4. Step 4: Simplify right side
    168,440.32x = 37,885,782,728.32
  5. Step 5: Solve for x
    x = 37,885,782,728.32/168,440.32
  6. Step 6: Final answer
    x = 224,921.10

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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.