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Finding the Fourth Proportional to 270,843.35, 373,759.20 and 149,982.03

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Solution

The fourth proportional to 270,843.35, 373,759.20 and 149,982.03 is: 206,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,843.35 : 373,759.20 = 149,982.03 : x
  2. Step 2: Convert to fraction form
    270,843.35/373,759.20 = 149,982.03/x
  3. Step 3: Cross multiply
    270,843.35x = 373,759.20 × 149,982.03
  4. Step 4: Simplify right side
    270,843.35x = 56,057,163,547.18
  5. Step 5: Solve for x
    x = 56,057,163,547.18/270,843.35
  6. Step 6: Final answer
    x = 206,972.65

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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.