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Finding the Fourth Proportional to 69,676.38, 104,492.25 and 22,918.14

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Solution

The fourth proportional to 69,676.38, 104,492.25 and 22,918.14 is: 34,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.38 : 104,492.25 = 22,918.14 : x
  2. Step 2: Convert to fraction form
    69,676.38/104,492.25 = 22,918.14/x
  3. Step 3: Cross multiply
    69,676.38x = 104,492.25 × 22,918.14
  4. Step 4: Simplify right side
    69,676.38x = 2,394,768,014.42
  5. Step 5: Solve for x
    x = 2,394,768,014.42/69,676.38
  6. Step 6: Final answer
    x = 34,369.87

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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.