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Finding the Fourth Proportional to 273,431.40, 410,118.18 and 73,739.44

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Solution

The fourth proportional to 273,431.40, 410,118.18 and 73,739.44 is: 110,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431.40 : 410,118.18 = 73,739.44 : x
  2. Step 2: Convert to fraction form
    273,431.40/410,118.18 = 73,739.44/x
  3. Step 3: Cross multiply
    273,431.40x = 410,118.18 × 73,739.44
  4. Step 4: Simplify right side
    273,431.40x = 30,241,884,927.02
  5. Step 5: Solve for x
    x = 30,241,884,927.02/273,431.40
  6. Step 6: Final answer
    x = 110,601.36

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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.