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Finding the Fourth Proportional to 73,605.78, 110,424.96 and 26,858.52

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Solution

The fourth proportional to 73,605.78, 110,424.96 and 26,858.52 is: 40,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.78 : 110,424.96 = 26,858.52 : x
  2. Step 2: Convert to fraction form
    73,605.78/110,424.96 = 26,858.52/x
  3. Step 3: Cross multiply
    73,605.78x = 110,424.96 × 26,858.52
  4. Step 4: Simplify right side
    73,605.78x = 2,965,850,996.66
  5. Step 5: Solve for x
    x = 2,965,850,996.66/73,605.78
  6. Step 6: Final answer
    x = 40,293.72

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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.