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Finding the Fourth Proportional to 73,713.26, 110,504.41 and 28,724.18

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Solution

The fourth proportional to 73,713.26, 110,504.41 and 28,724.18 is: 43,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,713.26 : 110,504.41 = 28,724.18 : x
  2. Step 2: Convert to fraction form
    73,713.26/110,504.41 = 28,724.18/x
  3. Step 3: Cross multiply
    73,713.26x = 110,504.41 × 28,724.18
  4. Step 4: Simplify right side
    73,713.26x = 3,174,148,420.01
  5. Step 5: Solve for x
    x = 3,174,148,420.01/73,713.26
  6. Step 6: Final answer
    x = 43,060.76

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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.