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Finding the Fourth Proportional to 73,975.26, 102,086.26 and 40,441.26

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Solution

The fourth proportional to 73,975.26, 102,086.26 and 40,441.26 is: 55,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.26 : 102,086.26 = 40,441.26 : x
  2. Step 2: Convert to fraction form
    73,975.26/102,086.26 = 40,441.26/x
  3. Step 3: Cross multiply
    73,975.26x = 102,086.26 × 40,441.26
  4. Step 4: Simplify right side
    73,975.26x = 4,128,496,983.09
  5. Step 5: Solve for x
    x = 4,128,496,983.09/73,975.26
  6. Step 6: Final answer
    x = 55,809.16

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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.