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Finding the Fourth Proportional to 168,099.44, 252,187.96 and 55,771.28

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Solution

The fourth proportional to 168,099.44, 252,187.96 and 55,771.28 is: 83,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,099.44 : 252,187.96 = 55,771.28 : x
  2. Step 2: Convert to fraction form
    168,099.44/252,187.96 = 55,771.28/x
  3. Step 3: Cross multiply
    168,099.44x = 252,187.96 × 55,771.28
  4. Step 4: Simplify right side
    168,099.44x = 14,064,845,329.79
  5. Step 5: Solve for x
    x = 14,064,845,329.79/168,099.44
  6. Step 6: Final answer
    x = 83,669.79

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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.