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Finding the Fourth Proportional to 126,093.92, 174,004.36 and 68,731.98

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Solution

The fourth proportional to 126,093.92, 174,004.36 and 68,731.98 is: 94,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,093.92 : 174,004.36 = 68,731.98 : x
  2. Step 2: Convert to fraction form
    126,093.92/174,004.36 = 68,731.98/x
  3. Step 3: Cross multiply
    126,093.92x = 174,004.36 × 68,731.98
  4. Step 4: Simplify right side
    126,093.92x = 11,959,664,191.43
  5. Step 5: Solve for x
    x = 11,959,664,191.43/126,093.92
  6. Step 6: Final answer
    x = 94,847.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.