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Finding the Fourth Proportional to 168,497.12, 252,745.56 and 43,838.12

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Solution

The fourth proportional to 168,497.12, 252,745.56 and 43,838.12 is: 65,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497.12 : 252,745.56 = 43,838.12 : x
  2. Step 2: Convert to fraction form
    168,497.12/252,745.56 = 43,838.12/x
  3. Step 3: Cross multiply
    168,497.12x = 252,745.56 × 43,838.12
  4. Step 4: Simplify right side
    168,497.12x = 11,079,890,188.75
  5. Step 5: Solve for x
    x = 11,079,890,188.75/168,497.12
  6. Step 6: Final answer
    x = 65,757.15

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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.