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Finding the Fourth Proportional to 122,505.81, 183,771.41 and 33,759.32

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Solution

The fourth proportional to 122,505.81, 183,771.41 and 33,759.32 is: 50,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,505.81 : 183,771.41 = 33,759.32 : x
  2. Step 2: Convert to fraction form
    122,505.81/183,771.41 = 33,759.32/x
  3. Step 3: Cross multiply
    122,505.81x = 183,771.41 × 33,759.32
  4. Step 4: Simplify right side
    122,505.81x = 6,203,997,837.04
  5. Step 5: Solve for x
    x = 6,203,997,837.04/122,505.81
  6. Step 6: Final answer
    x = 50,642.48

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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.