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Finding the Fourth Proportional to 188,255.53, 259,792.06 and 112,804.03

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Solution

The fourth proportional to 188,255.53, 259,792.06 and 112,804.03 is: 155,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,255.53 : 259,792.06 = 112,804.03 : x
  2. Step 2: Convert to fraction form
    188,255.53/259,792.06 = 112,804.03/x
  3. Step 3: Cross multiply
    188,255.53x = 259,792.06 × 112,804.03
  4. Step 4: Simplify right side
    188,255.53x = 29,305,589,467.02
  5. Step 5: Solve for x
    x = 29,305,589,467.02/188,255.53
  6. Step 6: Final answer
    x = 155,669.21

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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.