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Finding the Fourth Proportional to 367,418.54, 551,129.73 and 114,677.85

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Solution

The fourth proportional to 367,418.54, 551,129.73 and 114,677.85 is: 172,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,418.54 : 551,129.73 = 114,677.85 : x
  2. Step 2: Convert to fraction form
    367,418.54/551,129.73 = 114,677.85/x
  3. Step 3: Cross multiply
    367,418.54x = 551,129.73 × 114,677.85
  4. Step 4: Simplify right side
    367,418.54x = 63,202,372,507.48
  5. Step 5: Solve for x
    x = 63,202,372,507.48/367,418.54
  6. Step 6: Final answer
    x = 172,017.38

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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.