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Finding the Fourth Proportional to 264,732, 397,147.22 and 87,251.48

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Solution

The fourth proportional to 264,732, 397,147.22 and 87,251.48 is: 130,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,732 : 397,147.22 = 87,251.48 : x
  2. Step 2: Convert to fraction form
    264,732/397,147.22 = 87,251.48/x
  3. Step 3: Cross multiply
    264,732x = 397,147.22 × 87,251.48
  4. Step 4: Simplify right side
    264,732x = 34,651,682,722.89
  5. Step 5: Solve for x
    x = 34,651,682,722.89/264,732
  6. Step 6: Final answer
    x = 130,893.44

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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.