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Finding the Fourth Proportional to 69,499.40, 104,209.60 and 27,356.64

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Solution

The fourth proportional to 69,499.40, 104,209.60 and 27,356.64 is: 41,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,499.40 : 104,209.60 = 27,356.64 : x
  2. Step 2: Convert to fraction form
    69,499.40/104,209.60 = 27,356.64/x
  3. Step 3: Cross multiply
    69,499.40x = 104,209.60 × 27,356.64
  4. Step 4: Simplify right side
    69,499.40x = 2,850,823,853.91
  5. Step 5: Solve for x
    x = 2,850,823,853.91/69,499.40
  6. Step 6: Final answer
    x = 41,019.41

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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.