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Finding the Fourth Proportional to 121,645.53, 182,473.26 and 41,738.45

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Solution

The fourth proportional to 121,645.53, 182,473.26 and 41,738.45 is: 62,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,645.53 : 182,473.26 = 41,738.45 : x
  2. Step 2: Convert to fraction form
    121,645.53/182,473.26 = 41,738.45/x
  3. Step 3: Cross multiply
    121,645.53x = 182,473.26 × 41,738.45
  4. Step 4: Simplify right side
    121,645.53x = 7,616,150,126.48
  5. Step 5: Solve for x
    x = 7,616,150,126.48/121,645.53
  6. Step 6: Final answer
    x = 62,609.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.