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Finding the Fourth Proportional to 111,729.29, 167,595.75 and 27,489.68

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Solution

The fourth proportional to 111,729.29, 167,595.75 and 27,489.68 is: 41,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,729.29 : 167,595.75 = 27,489.68 : x
  2. Step 2: Convert to fraction form
    111,729.29/167,595.75 = 27,489.68/x
  3. Step 3: Cross multiply
    111,729.29x = 167,595.75 × 27,489.68
  4. Step 4: Simplify right side
    111,729.29x = 4,607,153,536.86
  5. Step 5: Solve for x
    x = 4,607,153,536.86/111,729.29
  6. Step 6: Final answer
    x = 41,234.97

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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.