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Finding the Fourth Proportional to 270,315.27, 373,020.01 and 149,449.50

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Solution

The fourth proportional to 270,315.27, 373,020.01 and 149,449.50 is: 206,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,315.27 : 373,020.01 = 149,449.50 : x
  2. Step 2: Convert to fraction form
    270,315.27/373,020.01 = 149,449.50/x
  3. Step 3: Cross multiply
    270,315.27x = 373,020.01 × 149,449.50
  4. Step 4: Simplify right side
    270,315.27x = 55,747,653,610.87
  5. Step 5: Solve for x
    x = 55,747,653,610.87/270,315.27
  6. Step 6: Final answer
    x = 206,231.98

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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.