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Finding the Fourth Proportional to 363,100.21, 501,103.33 and 201,970.26

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Solution

The fourth proportional to 363,100.21, 501,103.33 and 201,970.26 is: 278,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,100.21 : 501,103.33 = 201,970.26 : x
  2. Step 2: Convert to fraction form
    363,100.21/501,103.33 = 201,970.26/x
  3. Step 3: Cross multiply
    363,100.21x = 501,103.33 × 201,970.26
  4. Step 4: Simplify right side
    363,100.21x = 101,207,969,342.04
  5. Step 5: Solve for x
    x = 101,207,969,342.04/363,100.21
  6. Step 6: Final answer
    x = 278,732.89

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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.