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Finding the Fourth Proportional to 303,767.94, 419,203.66 and 167,801.34

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Solution

The fourth proportional to 303,767.94, 419,203.66 and 167,801.34 is: 231,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,767.94 : 419,203.66 = 167,801.34 : x
  2. Step 2: Convert to fraction form
    303,767.94/419,203.66 = 167,801.34/x
  3. Step 3: Cross multiply
    303,767.94x = 419,203.66 × 167,801.34
  4. Step 4: Simplify right side
    303,767.94x = 70,342,935,880.90
  5. Step 5: Solve for x
    x = 70,342,935,880.90/303,767.94
  6. Step 6: Final answer
    x = 231,568.01

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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.