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Finding the Fourth Proportional to 92,954, 128,273.01 and 50,511.62

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Solution

The fourth proportional to 92,954, 128,273.01 and 50,511.62 is: 69,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954 : 128,273.01 = 50,511.62 : x
  2. Step 2: Convert to fraction form
    92,954/128,273.01 = 50,511.62/x
  3. Step 3: Cross multiply
    92,954x = 128,273.01 × 50,511.62
  4. Step 4: Simplify right side
    92,954x = 6,479,277,537.38
  5. Step 5: Solve for x
    x = 6,479,277,537.38/92,954
  6. Step 6: Final answer
    x = 69,704.13

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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.