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Finding the Fourth Proportional to 171,107.86, 256,576.14 and 52,763.83

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Solution

The fourth proportional to 171,107.86, 256,576.14 and 52,763.83 is: 79,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,107.86 : 256,576.14 = 52,763.83 : x
  2. Step 2: Convert to fraction form
    171,107.86/256,576.14 = 52,763.83/x
  3. Step 3: Cross multiply
    171,107.86x = 256,576.14 × 52,763.83
  4. Step 4: Simplify right side
    171,107.86x = 13,537,939,833.02
  5. Step 5: Solve for x
    x = 13,537,939,833.02/171,107.86
  6. Step 6: Final answer
    x = 79,119.33

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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.