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Finding the Fourth Proportional to 122,680.56, 183,999.42 and 32,724.39

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Solution

The fourth proportional to 122,680.56, 183,999.42 and 32,724.39 is: 49,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,680.56 : 183,999.42 = 32,724.39 : x
  2. Step 2: Convert to fraction form
    122,680.56/183,999.42 = 32,724.39/x
  3. Step 3: Cross multiply
    122,680.56x = 183,999.42 × 32,724.39
  4. Step 4: Simplify right side
    122,680.56x = 6,021,268,779.85
  5. Step 5: Solve for x
    x = 6,021,268,779.85/122,680.56
  6. Step 6: Final answer
    x = 49,080.87

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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.