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Finding the Fourth Proportional to 73,378.79, 110,105.11 and 54,696.34

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Solution

The fourth proportional to 73,378.79, 110,105.11 and 54,696.34 is: 82,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,378.79 : 110,105.11 = 54,696.34 : x
  2. Step 2: Convert to fraction form
    73,378.79/110,105.11 = 54,696.34/x
  3. Step 3: Cross multiply
    73,378.79x = 110,105.11 × 54,696.34
  4. Step 4: Simplify right side
    73,378.79x = 6,022,346,532.30
  5. Step 5: Solve for x
    x = 6,022,346,532.30/73,378.79
  6. Step 6: Final answer
    x = 82,072.03

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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.