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Finding the Fourth Proportional to 204,608.21, 282,373.50 and 124,039.13

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Solution

The fourth proportional to 204,608.21, 282,373.50 and 124,039.13 is: 171,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,608.21 : 282,373.50 = 124,039.13 : x
  2. Step 2: Convert to fraction form
    204,608.21/282,373.50 = 124,039.13/x
  3. Step 3: Cross multiply
    204,608.21x = 282,373.50 × 124,039.13
  4. Step 4: Simplify right side
    204,608.21x = 35,025,361,863.19
  5. Step 5: Solve for x
    x = 35,025,361,863.19/204,608.21
  6. Step 6: Final answer
    x = 171,182.59

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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.