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Finding the Fourth Proportional to 69,757.38, 104,639.70 and 23,013.90

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Solution

The fourth proportional to 69,757.38, 104,639.70 and 23,013.90 is: 34,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,757.38 : 104,639.70 = 23,013.90 : x
  2. Step 2: Convert to fraction form
    69,757.38/104,639.70 = 23,013.90/x
  3. Step 3: Cross multiply
    69,757.38x = 104,639.70 × 23,013.90
  4. Step 4: Simplify right side
    69,757.38x = 2,408,167,591.83
  5. Step 5: Solve for x
    x = 2,408,167,591.83/69,757.38
  6. Step 6: Final answer
    x = 34,522.05

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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.