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Finding the Fourth Proportional to 92,605.26, 127,788.60 and 54,366.39

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Solution

The fourth proportional to 92,605.26, 127,788.60 and 54,366.39 is: 75,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,605.26 : 127,788.60 = 54,366.39 : x
  2. Step 2: Convert to fraction form
    92,605.26/127,788.60 = 54,366.39/x
  3. Step 3: Cross multiply
    92,605.26x = 127,788.60 × 54,366.39
  4. Step 4: Simplify right side
    92,605.26x = 6,947,404,865.15
  5. Step 5: Solve for x
    x = 6,947,404,865.15/92,605.26
  6. Step 6: Final answer
    x = 75,021.71

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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.