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Finding the Fourth Proportional to 45,161, 67,757.79 and 24,078.86

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Solution

The fourth proportional to 45,161, 67,757.79 and 24,078.86 is: 36,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161 : 67,757.79 = 24,078.86 : x
  2. Step 2: Convert to fraction form
    45,161/67,757.79 = 24,078.86/x
  3. Step 3: Cross multiply
    45,161x = 67,757.79 × 24,078.86
  4. Step 4: Simplify right side
    45,161x = 1,631,530,339.32
  5. Step 5: Solve for x
    x = 1,631,530,339.32/45,161
  6. Step 6: Final answer
    x = 36,126.98

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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.