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Finding the Fourth Proportional to 111,402.37, 167,109.05 and 41,265.28

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Solution

The fourth proportional to 111,402.37, 167,109.05 and 41,265.28 is: 61,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,402.37 : 167,109.05 = 41,265.28 : x
  2. Step 2: Convert to fraction form
    111,402.37/167,109.05 = 41,265.28/x
  3. Step 3: Cross multiply
    111,402.37x = 167,109.05 × 41,265.28
  4. Step 4: Simplify right side
    111,402.37x = 6,895,801,738.78
  5. Step 5: Solve for x
    x = 6,895,801,738.78/111,402.37
  6. Step 6: Final answer
    x = 61,899.96

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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.