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Finding the Fourth Proportional to 73,604.40, 110,293.20 and 54,796.20

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Solution

The fourth proportional to 73,604.40, 110,293.20 and 54,796.20 is: 82,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,604.40 : 110,293.20 = 54,796.20 : x
  2. Step 2: Convert to fraction form
    73,604.40/110,293.20 = 54,796.20/x
  3. Step 3: Cross multiply
    73,604.40x = 110,293.20 × 54,796.20
  4. Step 4: Simplify right side
    73,604.40x = 6,043,648,245.84
  5. Step 5: Solve for x
    x = 6,043,648,245.84/73,604.40
  6. Step 6: Final answer
    x = 82,109.88

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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.