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Finding the Fourth Proportional to 108,804.93, 163,188.61 and 28,843.43

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Solution

The fourth proportional to 108,804.93, 163,188.61 and 28,843.43 is: 43,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804.93 : 163,188.61 = 28,843.43 : x
  2. Step 2: Convert to fraction form
    108,804.93/163,188.61 = 28,843.43/x
  3. Step 3: Cross multiply
    108,804.93x = 163,188.61 × 28,843.43
  4. Step 4: Simplify right side
    108,804.93x = 4,706,919,249.33
  5. Step 5: Solve for x
    x = 4,706,919,249.33/108,804.93
  6. Step 6: Final answer
    x = 43,260.17

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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.