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Finding the Fourth Proportional to 84,893.22, 127,164.84 and 49,726.26

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Solution

The fourth proportional to 84,893.22, 127,164.84 and 49,726.26 is: 74,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,893.22 : 127,164.84 = 49,726.26 : x
  2. Step 2: Convert to fraction form
    84,893.22/127,164.84 = 49,726.26/x
  3. Step 3: Cross multiply
    84,893.22x = 127,164.84 × 49,726.26
  4. Step 4: Simplify right side
    84,893.22x = 6,323,431,896.70
  5. Step 5: Solve for x
    x = 6,323,431,896.70/84,893.22
  6. Step 6: Final answer
    x = 74,486.89

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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.