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Finding the Fourth Proportional to 264,833.40, 365,469.42 and 143,974.68

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Solution

The fourth proportional to 264,833.40, 365,469.42 and 143,974.68 is: 198,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,833.40 : 365,469.42 = 143,974.68 : x
  2. Step 2: Convert to fraction form
    264,833.40/365,469.42 = 143,974.68/x
  3. Step 3: Cross multiply
    264,833.40x = 365,469.42 × 143,974.68
  4. Step 4: Simplify right side
    264,833.40x = 52,618,342,794.29
  5. Step 5: Solve for x
    x = 52,618,342,794.29/264,833.40
  6. Step 6: Final answer
    x = 198,684.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.