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Finding the Fourth Proportional to 303,673.13, 419,069.63 and 167,704.60

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Solution

The fourth proportional to 303,673.13, 419,069.63 and 167,704.60 is: 231,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,673.13 : 419,069.63 = 167,704.60 : x
  2. Step 2: Convert to fraction form
    303,673.13/419,069.63 = 167,704.60/x
  3. Step 3: Cross multiply
    303,673.13x = 419,069.63 × 167,704.60
  4. Step 4: Simplify right side
    303,673.13x = 70,279,904,671.30
  5. Step 5: Solve for x
    x = 70,279,904,671.30/303,673.13
  6. Step 6: Final answer
    x = 231,432.74

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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.