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Finding the Fourth Proportional to 104,933.21, 157,422.31 and 33,859.89

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Solution

The fourth proportional to 104,933.21, 157,422.31 and 33,859.89 is: 50,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,933.21 : 157,422.31 = 33,859.89 : x
  2. Step 2: Convert to fraction form
    104,933.21/157,422.31 = 33,859.89/x
  3. Step 3: Cross multiply
    104,933.21x = 157,422.31 × 33,859.89
  4. Step 4: Simplify right side
    104,933.21x = 5,330,302,015.50
  5. Step 5: Solve for x
    x = 5,330,302,015.50/104,933.21
  6. Step 6: Final answer
    x = 50,797.10

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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.