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Finding the Fourth Proportional to 92,559.78, 138,806.19 and 33,379.56

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Solution

The fourth proportional to 92,559.78, 138,806.19 and 33,379.56 is: 50,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.78 : 138,806.19 = 33,379.56 : x
  2. Step 2: Convert to fraction form
    92,559.78/138,806.19 = 33,379.56/x
  3. Step 3: Cross multiply
    92,559.78x = 138,806.19 × 33,379.56
  4. Step 4: Simplify right side
    92,559.78x = 4,633,289,547.48
  5. Step 5: Solve for x
    x = 4,633,289,547.48/92,559.78
  6. Step 6: Final answer
    x = 50,057.27

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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.