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Finding the Fourth Proportional to 92,326.44, 138,749.33 and 54,893.23

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Solution

The fourth proportional to 92,326.44, 138,749.33 and 54,893.23 is: 82,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,326.44 : 138,749.33 = 54,893.23 : x
  2. Step 2: Convert to fraction form
    92,326.44/138,749.33 = 54,893.23/x
  3. Step 3: Cross multiply
    92,326.44x = 138,749.33 × 54,893.23
  4. Step 4: Simplify right side
    92,326.44x = 7,616,398,884.04
  5. Step 5: Solve for x
    x = 7,616,398,884.04/92,326.44
  6. Step 6: Final answer
    x = 82,494.23

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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.