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Finding the Fourth Proportional to 136,625.28, 204,914.74 and 36,763.22

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Solution

The fourth proportional to 136,625.28, 204,914.74 and 36,763.22 is: 55,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,625.28 : 204,914.74 = 36,763.22 : x
  2. Step 2: Convert to fraction form
    136,625.28/204,914.74 = 36,763.22/x
  3. Step 3: Cross multiply
    136,625.28x = 204,914.74 × 36,763.22
  4. Step 4: Simplify right side
    136,625.28x = 7,533,325,667.86
  5. Step 5: Solve for x
    x = 7,533,325,667.86/136,625.28
  6. Step 6: Final answer
    x = 55,138.59

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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.