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Finding the Fourth Proportional to 168,630.06, 252,915.92 and 63,449.94

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Solution

The fourth proportional to 168,630.06, 252,915.92 and 63,449.94 is: 95,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,630.06 : 252,915.92 = 63,449.94 : x
  2. Step 2: Convert to fraction form
    168,630.06/252,915.92 = 63,449.94/x
  3. Step 3: Cross multiply
    168,630.06x = 252,915.92 × 63,449.94
  4. Step 4: Simplify right side
    168,630.06x = 16,047,499,949.04
  5. Step 5: Solve for x
    x = 16,047,499,949.04/168,630.06
  6. Step 6: Final answer
    x = 95,163.93

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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.