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Finding the Fourth Proportional to 303,807.62, 419,253.15 and 167,841.59

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Solution

The fourth proportional to 303,807.62, 419,253.15 and 167,841.59 is: 231,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,807.62 : 419,253.15 = 167,841.59 : x
  2. Step 2: Convert to fraction form
    303,807.62/419,253.15 = 167,841.59/x
  3. Step 3: Cross multiply
    303,807.62x = 419,253.15 × 167,841.59
  4. Step 4: Simplify right side
    303,807.62x = 70,368,113,212.24
  5. Step 5: Solve for x
    x = 70,368,113,212.24/303,807.62
  6. Step 6: Final answer
    x = 231,620.64

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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.