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Finding the Fourth Proportional to 168,076.50, 252,157.95 and 57,268.50

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Solution

The fourth proportional to 168,076.50, 252,157.95 and 57,268.50 is: 85,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.50 : 252,157.95 = 57,268.50 : x
  2. Step 2: Convert to fraction form
    168,076.50/252,157.95 = 57,268.50/x
  3. Step 3: Cross multiply
    168,076.50x = 252,157.95 × 57,268.50
  4. Step 4: Simplify right side
    168,076.50x = 14,440,707,559.58
  5. Step 5: Solve for x
    x = 14,440,707,559.58/168,076.50
  6. Step 6: Final answer
    x = 85,917.47

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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.