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Finding the Fourth Proportional to 92,608.66, 138,921.17 and 26,049.34

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Solution

The fourth proportional to 92,608.66, 138,921.17 and 26,049.34 is: 39,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.66 : 138,921.17 = 26,049.34 : x
  2. Step 2: Convert to fraction form
    92,608.66/138,921.17 = 26,049.34/x
  3. Step 3: Cross multiply
    92,608.66x = 138,921.17 × 26,049.34
  4. Step 4: Simplify right side
    92,608.66x = 3,618,804,790.53
  5. Step 5: Solve for x
    x = 3,618,804,790.53/92,608.66
  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.