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Finding the Fourth Proportional to 69,147.99, 103,698.87 and 27,017.14

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Solution

The fourth proportional to 69,147.99, 103,698.87 and 27,017.14 is: 40,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,147.99 : 103,698.87 = 27,017.14 : x
  2. Step 2: Convert to fraction form
    69,147.99/103,698.87 = 27,017.14/x
  3. Step 3: Cross multiply
    69,147.99x = 103,698.87 × 27,017.14
  4. Step 4: Simplify right side
    69,147.99x = 2,801,646,888.63
  5. Step 5: Solve for x
    x = 2,801,646,888.63/69,147.99
  6. Step 6: Final answer
    x = 40,516.68

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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.