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Finding the Fourth Proportional to 240,589.44, 360,863.10 and 72,147.38

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Solution

The fourth proportional to 240,589.44, 360,863.10 and 72,147.38 is: 108,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,589.44 : 360,863.10 = 72,147.38 : x
  2. Step 2: Convert to fraction form
    240,589.44/360,863.10 = 72,147.38/x
  3. Step 3: Cross multiply
    240,589.44x = 360,863.10 × 72,147.38
  4. Step 4: Simplify right side
    240,589.44x = 26,035,325,399.36
  5. Step 5: Solve for x
    x = 26,035,325,399.36/240,589.44
  6. Step 6: Final answer
    x = 108,214.75

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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.