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Finding the Fourth Proportional to 83,467.34, 115,185.58 and 49,493

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Solution

The fourth proportional to 83,467.34, 115,185.58 and 49,493 is: 68,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,467.34 : 115,185.58 = 49,493 : x
  2. Step 2: Convert to fraction form
    83,467.34/115,185.58 = 49,493/x
  3. Step 3: Cross multiply
    83,467.34x = 115,185.58 × 49,493
  4. Step 4: Simplify right side
    83,467.34x = 5,700,879,910.94
  5. Step 5: Solve for x
    x = 5,700,879,910.94/83,467.34
  6. Step 6: Final answer
    x = 68,300.73

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