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Finding the Fourth Proportional to 206,050.84, 309,120.67 and 63,893.26

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Solution

The fourth proportional to 206,050.84, 309,120.67 and 63,893.26 is: 95,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,050.84 : 309,120.67 = 63,893.26 : x
  2. Step 2: Convert to fraction form
    206,050.84/309,120.67 = 63,893.26/x
  3. Step 3: Cross multiply
    206,050.84x = 309,120.67 × 63,893.26
  4. Step 4: Simplify right side
    206,050.84x = 19,750,727,339.68
  5. Step 5: Solve for x
    x = 19,750,727,339.68/206,050.84
  6. Step 6: Final answer
    x = 95,853.66

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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.