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Finding the Fourth Proportional to 70,939.44, 97,896.44 and 40,726.73

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Solution

The fourth proportional to 70,939.44, 97,896.44 and 40,726.73 is: 56,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.44 : 97,896.44 = 40,726.73 : x
  2. Step 2: Convert to fraction form
    70,939.44/97,896.44 = 40,726.73/x
  3. Step 3: Cross multiply
    70,939.44x = 97,896.44 × 40,726.73
  4. Step 4: Simplify right side
    70,939.44x = 3,987,001,186.73
  5. Step 5: Solve for x
    x = 3,987,001,186.73/70,939.44
  6. Step 6: Final answer
    x = 56,202.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.