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Finding the Fourth Proportional to 168,993.84, 253,422.72 and 63,755.52

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Solution

The fourth proportional to 168,993.84, 253,422.72 and 63,755.52 is: 95,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,993.84 : 253,422.72 = 63,755.52 : x
  2. Step 2: Convert to fraction form
    168,993.84/253,422.72 = 63,755.52/x
  3. Step 3: Cross multiply
    168,993.84x = 253,422.72 × 63,755.52
  4. Step 4: Simplify right side
    168,993.84x = 16,157,097,293.41
  5. Step 5: Solve for x
    x = 16,157,097,293.41/168,993.84
  6. Step 6: Final answer
    x = 95,607.61

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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.