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Finding the Fourth Proportional to 74,227.84, 111,380.04 and 34,788.96

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Solution

The fourth proportional to 74,227.84, 111,380.04 and 34,788.96 is: 52,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,227.84 : 111,380.04 = 34,788.96 : x
  2. Step 2: Convert to fraction form
    74,227.84/111,380.04 = 34,788.96/x
  3. Step 3: Cross multiply
    74,227.84x = 111,380.04 × 34,788.96
  4. Step 4: Simplify right side
    74,227.84x = 3,874,795,756.36
  5. Step 5: Solve for x
    x = 3,874,795,756.36/74,227.84
  6. Step 6: Final answer
    x = 52,201.38

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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.