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Finding the Fourth Proportional to 168,065.67, 252,097.60 and 96,942.21

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Solution

The fourth proportional to 168,065.67, 252,097.60 and 96,942.21 is: 145,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,065.67 : 252,097.60 = 96,942.21 : x
  2. Step 2: Convert to fraction form
    168,065.67/252,097.60 = 96,942.21/x
  3. Step 3: Cross multiply
    168,065.67x = 252,097.60 × 96,942.21
  4. Step 4: Simplify right side
    168,065.67x = 24,438,898,479.70
  5. Step 5: Solve for x
    x = 24,438,898,479.70/168,065.67
  6. Step 6: Final answer
    x = 145,412.79

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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.