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Finding the Fourth Proportional to 122,377.72, 183,568.61 and 33,630.69

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Solution

The fourth proportional to 122,377.72, 183,568.61 and 33,630.69 is: 50,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377.72 : 183,568.61 = 33,630.69 : x
  2. Step 2: Convert to fraction form
    122,377.72/183,568.61 = 33,630.69/x
  3. Step 3: Cross multiply
    122,377.72x = 183,568.61 × 33,630.69
  4. Step 4: Simplify right side
    122,377.72x = 6,173,539,016.64
  5. Step 5: Solve for x
    x = 6,173,539,016.64/122,377.72
  6. Step 6: Final answer
    x = 50,446.59

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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.