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Finding the Fourth Proportional to 69,299.93, 103,949.84 and 16,709.39

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Solution

The fourth proportional to 69,299.93, 103,949.84 and 16,709.39 is: 25,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,299.93 : 103,949.84 = 16,709.39 : x
  2. Step 2: Convert to fraction form
    69,299.93/103,949.84 = 16,709.39/x
  3. Step 3: Cross multiply
    69,299.93x = 103,949.84 × 16,709.39
  4. Step 4: Simplify right side
    69,299.93x = 1,736,937,813.70
  5. Step 5: Solve for x
    x = 1,736,937,813.70/69,299.93
  6. Step 6: Final answer
    x = 25,064.06

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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.