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Finding the Fourth Proportional to 303,767.07, 419,202.45 and 167,800.47

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Solution

The fourth proportional to 303,767.07, 419,202.45 and 167,800.47 is: 231,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,767.07 : 419,202.45 = 167,800.47 : x
  2. Step 2: Convert to fraction form
    303,767.07/419,202.45 = 167,800.47/x
  3. Step 3: Cross multiply
    303,767.07x = 419,202.45 × 167,800.47
  4. Step 4: Simplify right side
    303,767.07x = 70,342,368,135.15
  5. Step 5: Solve for x
    x = 70,342,368,135.15/303,767.07
  6. Step 6: Final answer
    x = 231,566.80

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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.