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Finding the Fourth Proportional to 71,322.70, 106,958.73 and 26,334.44

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Solution

The fourth proportional to 71,322.70, 106,958.73 and 26,334.44 is: 39,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,322.70 : 106,958.73 = 26,334.44 : x
  2. Step 2: Convert to fraction form
    71,322.70/106,958.73 = 26,334.44/x
  3. Step 3: Cross multiply
    71,322.70x = 106,958.73 × 26,334.44
  4. Step 4: Simplify right side
    71,322.70x = 2,816,698,257.66
  5. Step 5: Solve for x
    x = 2,816,698,257.66/71,322.70
  6. Step 6: Final answer
    x = 39,492.31

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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.