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Finding the Fourth Proportional to 71,448.43, 98,606.96 and 41,241.86

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Solution

The fourth proportional to 71,448.43, 98,606.96 and 41,241.86 is: 56,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.43 : 98,606.96 = 41,241.86 : x
  2. Step 2: Convert to fraction form
    71,448.43/98,606.96 = 41,241.86/x
  3. Step 3: Cross multiply
    71,448.43x = 98,606.96 × 41,241.86
  4. Step 4: Simplify right side
    71,448.43x = 4,066,734,439.35
  5. Step 5: Solve for x
    x = 4,066,734,439.35/71,448.43
  6. Step 6: Final answer
    x = 56,918.46

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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.