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Finding the Fourth Proportional to 29,238.80, 43,906.80 and 16,100.60

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Solution

The fourth proportional to 29,238.80, 43,906.80 and 16,100.60 is: 24,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.80 : 43,906.80 = 16,100.60 : x
  2. Step 2: Convert to fraction form
    29,238.80/43,906.80 = 16,100.60/x
  3. Step 3: Cross multiply
    29,238.80x = 43,906.80 × 16,100.60
  4. Step 4: Simplify right side
    29,238.80x = 706,925,824.08
  5. Step 5: Solve for x
    x = 706,925,824.08/29,238.80
  6. Step 6: Final answer
    x = 24,177.66

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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.