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Finding the Fourth Proportional to 111,799.48, 167,608.86 and 36,872.92

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Solution

The fourth proportional to 111,799.48, 167,608.86 and 36,872.92 is: 55,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,799.48 : 167,608.86 = 36,872.92 : x
  2. Step 2: Convert to fraction form
    111,799.48/167,608.86 = 36,872.92/x
  3. Step 3: Cross multiply
    111,799.48x = 167,608.86 × 36,872.92
  4. Step 4: Simplify right side
    111,799.48x = 6,180,228,086.07
  5. Step 5: Solve for x
    x = 6,180,228,086.07/111,799.48
  6. Step 6: Final answer
    x = 55,279.58

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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.