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Finding the Fourth Proportional to 270,642.33, 373,481.19 and 149,783.67

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Solution

The fourth proportional to 270,642.33, 373,481.19 and 149,783.67 is: 206,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,642.33 : 373,481.19 = 149,783.67 : x
  2. Step 2: Convert to fraction form
    270,642.33/373,481.19 = 149,783.67/x
  3. Step 3: Cross multiply
    270,642.33x = 373,481.19 × 149,783.67
  4. Step 4: Simplify right side
    270,642.33x = 55,941,383,314.17
  5. Step 5: Solve for x
    x = 55,941,383,314.17/270,642.33
  6. Step 6: Final answer
    x = 206,698.57

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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.