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Finding the Fourth Proportional to 77,992.98, 117,010.22 and 24,685.98

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Solution

The fourth proportional to 77,992.98, 117,010.22 and 24,685.98 is: 37,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,992.98 : 117,010.22 = 24,685.98 : x
  2. Step 2: Convert to fraction form
    77,992.98/117,010.22 = 24,685.98/x
  3. Step 3: Cross multiply
    77,992.98x = 117,010.22 × 24,685.98
  4. Step 4: Simplify right side
    77,992.98x = 2,888,511,827.29
  5. Step 5: Solve for x
    x = 2,888,511,827.29/77,992.98
  6. Step 6: Final answer
    x = 37,035.54

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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.