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Finding the Fourth Proportional to 82,791.81, 124,208.69 and 23,627.70

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Solution

The fourth proportional to 82,791.81, 124,208.69 and 23,627.70 is: 35,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.81 : 124,208.69 = 23,627.70 : x
  2. Step 2: Convert to fraction form
    82,791.81/124,208.69 = 23,627.70/x
  3. Step 3: Cross multiply
    82,791.81x = 124,208.69 × 23,627.70
  4. Step 4: Simplify right side
    82,791.81x = 2,934,765,546.57
  5. Step 5: Solve for x
    x = 2,934,765,546.57/82,791.81
  6. Step 6: Final answer
    x = 35,447.53

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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.