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Finding the Fourth Proportional to 377,019.50, 565,524.31 and 92,712.50

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Solution

The fourth proportional to 377,019.50, 565,524.31 and 92,712.50 is: 139,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,019.50 : 565,524.31 = 92,712.50 : x
  2. Step 2: Convert to fraction form
    377,019.50/565,524.31 = 92,712.50/x
  3. Step 3: Cross multiply
    377,019.50x = 565,524.31 × 92,712.50
  4. Step 4: Simplify right side
    377,019.50x = 52,431,172,590.88
  5. Step 5: Solve for x
    x = 52,431,172,590.88/377,019.50
  6. Step 6: Final answer
    x = 139,067.54

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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.