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Finding the Fourth Proportional to 73,635.43, 110,420.34 and 26,855.50

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Solution

The fourth proportional to 73,635.43, 110,420.34 and 26,855.50 is: 40,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635.43 : 110,420.34 = 26,855.50 : x
  2. Step 2: Convert to fraction form
    73,635.43/110,420.34 = 26,855.50/x
  3. Step 3: Cross multiply
    73,635.43x = 110,420.34 × 26,855.50
  4. Step 4: Simplify right side
    73,635.43x = 2,965,393,440.87
  5. Step 5: Solve for x
    x = 2,965,393,440.87/73,635.43
  6. Step 6: Final answer
    x = 40,271.29

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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.