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Finding the Fourth Proportional to 92,735.94, 127,974.96 and 50,294.46

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Solution

The fourth proportional to 92,735.94, 127,974.96 and 50,294.46 is: 69,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,735.94 : 127,974.96 = 50,294.46 : x
  2. Step 2: Convert to fraction form
    92,735.94/127,974.96 = 50,294.46/x
  3. Step 3: Cross multiply
    92,735.94x = 127,974.96 × 50,294.46
  4. Step 4: Simplify right side
    92,735.94x = 6,436,431,506.72
  5. Step 5: Solve for x
    x = 6,436,431,506.72/92,735.94
  6. Step 6: Final answer
    x = 69,406.01

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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.