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Finding the Fourth Proportional to 73,626.89, 110,347.70 and 39,891.62

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Solution

The fourth proportional to 73,626.89, 110,347.70 and 39,891.62 is: 59,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,626.89 : 110,347.70 = 39,891.62 : x
  2. Step 2: Convert to fraction form
    73,626.89/110,347.70 = 39,891.62/x
  3. Step 3: Cross multiply
    73,626.89x = 110,347.70 × 39,891.62
  4. Step 4: Simplify right side
    73,626.89x = 4,401,948,592.69
  5. Step 5: Solve for x
    x = 4,401,948,592.69/73,626.89
  6. Step 6: Final answer
    x = 59,787.24

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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.