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Finding the Fourth Proportional to 69,350.78, 104,085.14 and 27,260.28

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Solution

The fourth proportional to 69,350.78, 104,085.14 and 27,260.28 is: 40,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.78 : 104,085.14 = 27,260.28 : x
  2. Step 2: Convert to fraction form
    69,350.78/104,085.14 = 27,260.28/x
  3. Step 3: Cross multiply
    69,350.78x = 104,085.14 × 27,260.28
  4. Step 4: Simplify right side
    69,350.78x = 2,837,389,923.94
  5. Step 5: Solve for x
    x = 2,837,389,923.94/69,350.78
  6. Step 6: Final answer
    x = 40,913.60

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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.