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Finding the Fourth Proportional to 71,105.88, 106,655.58 and 26,729.22

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Solution

The fourth proportional to 71,105.88, 106,655.58 and 26,729.22 is: 40,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,105.88 : 106,655.58 = 26,729.22 : x
  2. Step 2: Convert to fraction form
    71,105.88/106,655.58 = 26,729.22/x
  3. Step 3: Cross multiply
    71,105.88x = 106,655.58 × 26,729.22
  4. Step 4: Simplify right side
    71,105.88x = 2,850,820,462.05
  5. Step 5: Solve for x
    x = 2,850,820,462.05/71,105.88
  6. Step 6: Final answer
    x = 40,092.61

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1.5x scale

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.