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Finding the Fourth Proportional to 107,953.80, 161,912.39 and 29,050.44

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Solution

The fourth proportional to 107,953.80, 161,912.39 and 29,050.44 is: 43,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,953.80 : 161,912.39 = 29,050.44 : x
  2. Step 2: Convert to fraction form
    107,953.80/161,912.39 = 29,050.44/x
  3. Step 3: Cross multiply
    107,953.80x = 161,912.39 × 29,050.44
  4. Step 4: Simplify right side
    107,953.80x = 4,703,626,025.70
  5. Step 5: Solve for x
    x = 4,703,626,025.70/107,953.80
  6. Step 6: Final answer
    x = 43,570.73

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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.