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Finding the Fourth Proportional to 303,703.43, 419,114.75 and 167,736.96

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Solution

The fourth proportional to 303,703.43, 419,114.75 and 167,736.96 is: 231,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,703.43 : 419,114.75 = 167,736.96 : x
  2. Step 2: Convert to fraction form
    303,703.43/419,114.75 = 167,736.96/x
  3. Step 3: Cross multiply
    303,703.43x = 419,114.75 × 167,736.96
  4. Step 4: Simplify right side
    303,703.43x = 70,301,034,056.16
  5. Step 5: Solve for x
    x = 70,301,034,056.16/303,703.43
  6. Step 6: Final answer
    x = 231,479.22

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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.