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Finding the Fourth Proportional to 88,694.56, 122,398.44 and 50,968.72

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Solution

The fourth proportional to 88,694.56, 122,398.44 and 50,968.72 is: 70,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.56 : 122,398.44 = 50,968.72 : x
  2. Step 2: Convert to fraction form
    88,694.56/122,398.44 = 50,968.72/x
  3. Step 3: Cross multiply
    88,694.56x = 122,398.44 × 50,968.72
  4. Step 4: Simplify right side
    88,694.56x = 6,238,491,816.80
  5. Step 5: Solve for x
    x = 6,238,491,816.80/88,694.56
  6. Step 6: Final answer
    x = 70,336.80

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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.