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Finding the Fourth Proportional to 92,608.65, 138,921.19 and 26,049.33

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Solution

The fourth proportional to 92,608.65, 138,921.19 and 26,049.33 is: 39,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.65 : 138,921.19 = 26,049.33 : x
  2. Step 2: Convert to fraction form
    92,608.65/138,921.19 = 26,049.33/x
  3. Step 3: Cross multiply
    92,608.65x = 138,921.19 × 26,049.33
  4. Step 4: Simplify right side
    92,608.65x = 3,618,803,922.30
  5. Step 5: Solve for x
    x = 3,618,803,922.30/92,608.65
  6. Step 6: Final answer
    x = 39,076.31

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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.