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Finding the Fourth Proportional to 168,107.84, 252,170.40 and 43,449.92

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Solution

The fourth proportional to 168,107.84, 252,170.40 and 43,449.92 is: 65,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,107.84 : 252,170.40 = 43,449.92 : x
  2. Step 2: Convert to fraction form
    168,107.84/252,170.40 = 43,449.92/x
  3. Step 3: Cross multiply
    168,107.84x = 252,170.40 × 43,449.92
  4. Step 4: Simplify right side
    168,107.84x = 10,956,783,706.37
  5. Step 5: Solve for x
    x = 10,956,783,706.37/168,107.84
  6. Step 6: Final answer
    x = 65,177.11

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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.