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Finding the Fourth Proportional to 71,753.33, 107,634.04 and 21,835.05

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Solution

The fourth proportional to 71,753.33, 107,634.04 and 21,835.05 is: 32,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753.33 : 107,634.04 = 21,835.05 : x
  2. Step 2: Convert to fraction form
    71,753.33/107,634.04 = 21,835.05/x
  3. Step 3: Cross multiply
    71,753.33x = 107,634.04 × 21,835.05
  4. Step 4: Simplify right side
    71,753.33x = 2,350,194,645.10
  5. Step 5: Solve for x
    x = 2,350,194,645.10/71,753.33
  6. Step 6: Final answer
    x = 32,753.81

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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.