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Finding the Fourth Proportional to 70,839.50, 106,277.52 and 26,466.56

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Solution

The fourth proportional to 70,839.50, 106,277.52 and 26,466.56 is: 39,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.50 : 106,277.52 = 26,466.56 : x
  2. Step 2: Convert to fraction form
    70,839.50/106,277.52 = 26,466.56/x
  3. Step 3: Cross multiply
    70,839.50x = 106,277.52 × 26,466.56
  4. Step 4: Simplify right side
    70,839.50x = 2,812,800,359.73
  5. Step 5: Solve for x
    x = 2,812,800,359.73/70,839.50
  6. Step 6: Final answer
    x = 39,706.67

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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.