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Finding the Fourth Proportional to 73,068.70, 100,836.14 and 41,231.44

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Solution

The fourth proportional to 73,068.70, 100,836.14 and 41,231.44 is: 56,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.70 : 100,836.14 = 41,231.44 : x
  2. Step 2: Convert to fraction form
    73,068.70/100,836.14 = 41,231.44/x
  3. Step 3: Cross multiply
    73,068.70x = 100,836.14 × 41,231.44
  4. Step 4: Simplify right side
    73,068.70x = 4,157,619,256.24
  5. Step 5: Solve for x
    x = 4,157,619,256.24/73,068.70
  6. Step 6: Final answer
    x = 56,900.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.