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Finding the Fourth Proportional to 71,263.54, 106,910.58 and 26,285.05

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Solution

The fourth proportional to 71,263.54, 106,910.58 and 26,285.05 is: 39,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.54 : 106,910.58 = 26,285.05 : x
  2. Step 2: Convert to fraction form
    71,263.54/106,910.58 = 26,285.05/x
  3. Step 3: Cross multiply
    71,263.54x = 106,910.58 × 26,285.05
  4. Step 4: Simplify right side
    71,263.54x = 2,810,149,940.83
  5. Step 5: Solve for x
    x = 2,810,149,940.83/71,263.54
  6. Step 6: Final answer
    x = 39,433.21

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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.