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Finding the Fourth Proportional to 242,576.55, 363,930.44 and 137,469.33

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Solution

The fourth proportional to 242,576.55, 363,930.44 and 137,469.33 is: 206,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,576.55 : 363,930.44 = 137,469.33 : x
  2. Step 2: Convert to fraction form
    242,576.55/363,930.44 = 137,469.33/x
  3. Step 3: Cross multiply
    242,576.55x = 363,930.44 × 137,469.33
  4. Step 4: Simplify right side
    242,576.55x = 50,029,273,066.06
  5. Step 5: Solve for x
    x = 50,029,273,066.06/242,576.55
  6. Step 6: Final answer
    x = 206,241.18

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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.