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Finding the Fourth Proportional to 122,253.89, 183,361.16 and 33,486.64

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Solution

The fourth proportional to 122,253.89, 183,361.16 and 33,486.64 is: 50,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,253.89 : 183,361.16 = 33,486.64 : x
  2. Step 2: Convert to fraction form
    122,253.89/183,361.16 = 33,486.64/x
  3. Step 3: Cross multiply
    122,253.89x = 183,361.16 × 33,486.64
  4. Step 4: Simplify right side
    122,253.89x = 6,140,148,070.66
  5. Step 5: Solve for x
    x = 6,140,148,070.66/122,253.89
  6. Step 6: Final answer
    x = 50,224.56

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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.