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Finding the Fourth Proportional to 73,754.44, 101,778.42 and 40,219.72

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Solution

The fourth proportional to 73,754.44, 101,778.42 and 40,219.72 is: 55,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,754.44 : 101,778.42 = 40,219.72 : x
  2. Step 2: Convert to fraction form
    73,754.44/101,778.42 = 40,219.72/x
  3. Step 3: Cross multiply
    73,754.44x = 101,778.42 × 40,219.72
  4. Step 4: Simplify right side
    73,754.44x = 4,093,499,554.44
  5. Step 5: Solve for x
    x = 4,093,499,554.44/73,754.44
  6. Step 6: Final answer
    x = 55,501.74

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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.