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Finding the Fourth Proportional to 73,298.98, 109,959.27 and 26,540.92

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Solution

The fourth proportional to 73,298.98, 109,959.27 and 26,540.92 is: 39,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,298.98 : 109,959.27 = 26,540.92 : x
  2. Step 2: Convert to fraction form
    73,298.98/109,959.27 = 26,540.92/x
  3. Step 3: Cross multiply
    73,298.98x = 109,959.27 × 26,540.92
  4. Step 4: Simplify right side
    73,298.98x = 2,918,420,188.33
  5. Step 5: Solve for x
    x = 2,918,420,188.33/73,298.98
  6. Step 6: Final answer
    x = 39,815.29

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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.