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Finding the Fourth Proportional to 92,711.67, 127,941.57 and 50,269.29

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Solution

The fourth proportional to 92,711.67, 127,941.57 and 50,269.29 is: 69,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,711.67 : 127,941.57 = 50,269.29 : x
  2. Step 2: Convert to fraction form
    92,711.67/127,941.57 = 50,269.29/x
  3. Step 3: Cross multiply
    92,711.67x = 127,941.57 × 50,269.29
  4. Step 4: Simplify right side
    92,711.67x = 6,431,531,885.39
  5. Step 5: Solve for x
    x = 6,431,531,885.39/92,711.67
  6. Step 6: Final answer
    x = 69,371.33

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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.