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Finding the Fourth Proportional to 168,576.60, 252,864.90 and 80,003.10

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Solution

The fourth proportional to 168,576.60, 252,864.90 and 80,003.10 is: 120,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,576.60 : 252,864.90 = 80,003.10 : x
  2. Step 2: Convert to fraction form
    168,576.60/252,864.90 = 80,003.10/x
  3. Step 3: Cross multiply
    168,576.60x = 252,864.90 × 80,003.10
  4. Step 4: Simplify right side
    168,576.60x = 20,229,975,881.19
  5. Step 5: Solve for x
    x = 20,229,975,881.19/168,576.60
  6. Step 6: Final answer
    x = 120,004.65

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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.