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Finding the Fourth Proportional to 69,465.78, 104,218.11 and 27,941.94

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Solution

The fourth proportional to 69,465.78, 104,218.11 and 27,941.94 is: 41,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,465.78 : 104,218.11 = 27,941.94 : x
  2. Step 2: Convert to fraction form
    69,465.78/104,218.11 = 27,941.94/x
  3. Step 3: Cross multiply
    69,465.78x = 104,218.11 × 27,941.94
  4. Step 4: Simplify right side
    69,465.78x = 2,912,056,176.53
  5. Step 5: Solve for x
    x = 2,912,056,176.53/69,465.78
  6. Step 6: Final answer
    x = 41,920.73

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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.