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Finding the Fourth Proportional to 204,751.67, 282,480.44 and 124,149.78

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Solution

The fourth proportional to 204,751.67, 282,480.44 and 124,149.78 is: 171,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,751.67 : 282,480.44 = 124,149.78 : x
  2. Step 2: Convert to fraction form
    204,751.67/282,480.44 = 124,149.78/x
  3. Step 3: Cross multiply
    204,751.67x = 282,480.44 × 124,149.78
  4. Step 4: Simplify right side
    204,751.67x = 35,069,883,859.55
  5. Step 5: Solve for x
    x = 35,069,883,859.55/204,751.67
  6. Step 6: Final answer
    x = 171,280.09

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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.