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Finding the Fourth Proportional to 303,749.47, 419,172.60 and 167,792.77

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Solution

The fourth proportional to 303,749.47, 419,172.60 and 167,792.77 is: 231,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,749.47 : 419,172.60 = 167,792.77 : x
  2. Step 2: Convert to fraction form
    303,749.47/419,172.60 = 167,792.77/x
  3. Step 3: Cross multiply
    303,749.47x = 419,172.60 × 167,792.77
  4. Step 4: Simplify right side
    303,749.47x = 70,334,131,662.10
  5. Step 5: Solve for x
    x = 70,334,131,662.10/303,749.47
  6. Step 6: Final answer
    x = 231,553.10

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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.