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Finding the Fourth Proportional to 185,093, 255,408.74 and 104,515.64

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Solution

The fourth proportional to 185,093, 255,408.74 and 104,515.64 is: 144,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,093 : 255,408.74 = 104,515.64 : x
  2. Step 2: Convert to fraction form
    185,093/255,408.74 = 104,515.64/x
  3. Step 3: Cross multiply
    185,093x = 255,408.74 × 104,515.64
  4. Step 4: Simplify right side
    185,093x = 26,694,207,922.69
  5. Step 5: Solve for x
    x = 26,694,207,922.69/185,093
  6. Step 6: Final answer
    x = 144,220.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.