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Finding the Fourth Proportional to 273,468.21, 410,202.32 and 73,788.60

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Solution

The fourth proportional to 273,468.21, 410,202.32 and 73,788.60 is: 110,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,468.21 : 410,202.32 = 73,788.60 : x
  2. Step 2: Convert to fraction form
    273,468.21/410,202.32 = 73,788.60/x
  3. Step 3: Cross multiply
    273,468.21x = 410,202.32 × 73,788.60
  4. Step 4: Simplify right side
    273,468.21x = 30,268,254,540.61
  5. Step 5: Solve for x
    x = 30,268,254,540.61/273,468.21
  6. Step 6: Final answer
    x = 110,682.90

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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.