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Finding the Fourth Proportional to 73,134.88, 100,930.08 and 41,305.12

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Solution

The fourth proportional to 73,134.88, 100,930.08 and 41,305.12 is: 57,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.88 : 100,930.08 = 41,305.12 : x
  2. Step 2: Convert to fraction form
    73,134.88/100,930.08 = 41,305.12/x
  3. Step 3: Cross multiply
    73,134.88x = 100,930.08 × 41,305.12
  4. Step 4: Simplify right side
    73,134.88x = 4,168,929,066.01
  5. Step 5: Solve for x
    x = 4,168,929,066.01/73,134.88
  6. Step 6: Final answer
    x = 57,003.29

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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.