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Finding the Fourth Proportional to 263,732.36, 395,617.16 and 130,576.86

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Solution

The fourth proportional to 263,732.36, 395,617.16 and 130,576.86 is: 195,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,732.36 : 395,617.16 = 130,576.86 : x
  2. Step 2: Convert to fraction form
    263,732.36/395,617.16 = 130,576.86/x
  3. Step 3: Cross multiply
    263,732.36x = 395,617.16 × 130,576.86
  4. Step 4: Simplify right side
    263,732.36x = 51,658,446,841.36
  5. Step 5: Solve for x
    x = 51,658,446,841.36/263,732.36
  6. Step 6: Final answer
    x = 195,874.51

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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.