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Finding the Fourth Proportional to 73,174.46, 100,975.21 and 41,346.32

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Solution

The fourth proportional to 73,174.46, 100,975.21 and 41,346.32 is: 57,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,174.46 : 100,975.21 = 41,346.32 : x
  2. Step 2: Convert to fraction form
    73,174.46/100,975.21 = 41,346.32/x
  3. Step 3: Cross multiply
    73,174.46x = 100,975.21 × 41,346.32
  4. Step 4: Simplify right side
    73,174.46x = 4,174,952,736.49
  5. Step 5: Solve for x
    x = 4,174,952,736.49/73,174.46
  6. Step 6: Final answer
    x = 57,054.78

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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.