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Finding the Fourth Proportional to 202,373.96, 303,505.53 and 76,004.43

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Solution

The fourth proportional to 202,373.96, 303,505.53 and 76,004.43 is: 113,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,373.96 : 303,505.53 = 76,004.43 : x
  2. Step 2: Convert to fraction form
    202,373.96/303,505.53 = 76,004.43/x
  3. Step 3: Cross multiply
    202,373.96x = 303,505.53 × 76,004.43
  4. Step 4: Simplify right side
    202,373.96x = 23,067,765,093.55
  5. Step 5: Solve for x
    x = 23,067,765,093.55/202,373.96
  6. Step 6: Final answer
    x = 113,985.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.