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Finding the Fourth Proportional to 367,791.43, 551,676.93 and 97,921.89

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Solution

The fourth proportional to 367,791.43, 551,676.93 and 97,921.89 is: 146,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,791.43 : 551,676.93 = 97,921.89 : x
  2. Step 2: Convert to fraction form
    367,791.43/551,676.93 = 97,921.89/x
  3. Step 3: Cross multiply
    367,791.43x = 551,676.93 × 97,921.89
  4. Step 4: Simplify right side
    367,791.43x = 54,021,246,562.42
  5. Step 5: Solve for x
    x = 54,021,246,562.42/367,791.43
  6. Step 6: Final answer
    x = 146,880.11

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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.