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Finding the Fourth Proportional to 73,018.80, 100,769.04 and 41,187.69

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Solution

The fourth proportional to 73,018.80, 100,769.04 and 41,187.69 is: 56,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.80 : 100,769.04 = 41,187.69 : x
  2. Step 2: Convert to fraction form
    73,018.80/100,769.04 = 41,187.69/x
  3. Step 3: Cross multiply
    73,018.80x = 100,769.04 × 41,187.69
  4. Step 4: Simplify right side
    73,018.80x = 4,150,443,981.12
  5. Step 5: Solve for x
    x = 4,150,443,981.12/73,018.80
  6. Step 6: Final answer
    x = 56,840.76

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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.