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Finding the Fourth Proportional to 73,091.36, 100,867.92 and 44,812.64

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Solution

The fourth proportional to 73,091.36, 100,867.92 and 44,812.64 is: 61,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.36 : 100,867.92 = 44,812.64 : x
  2. Step 2: Convert to fraction form
    73,091.36/100,867.92 = 44,812.64/x
  3. Step 3: Cross multiply
    73,091.36x = 100,867.92 × 44,812.64
  4. Step 4: Simplify right side
    73,091.36x = 4,520,157,786.51
  5. Step 5: Solve for x
    x = 4,520,157,786.51/73,091.36
  6. Step 6: Final answer
    x = 61,842.57

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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.