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Finding the Fourth Proportional to 111,490.94, 167,119.50 and 36,591.86

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Solution

The fourth proportional to 111,490.94, 167,119.50 and 36,591.86 is: 54,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,490.94 : 167,119.50 = 36,591.86 : x
  2. Step 2: Convert to fraction form
    111,490.94/167,119.50 = 36,591.86/x
  3. Step 3: Cross multiply
    111,490.94x = 167,119.50 × 36,591.86
  4. Step 4: Simplify right side
    111,490.94x = 6,115,213,347.27
  5. Step 5: Solve for x
    x = 6,115,213,347.27/111,490.94
  6. Step 6: Final answer
    x = 54,849.42

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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.