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Finding the Fourth Proportional to 111,546.40, 167,319.60 and 104,110.60

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Solution

The fourth proportional to 111,546.40, 167,319.60 and 104,110.60 is: 156,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,546.40 : 167,319.60 = 104,110.60 : x
  2. Step 2: Convert to fraction form
    111,546.40/167,319.60 = 104,110.60/x
  3. Step 3: Cross multiply
    111,546.40x = 167,319.60 × 104,110.60
  4. Step 4: Simplify right side
    111,546.40x = 17,419,743,947.76
  5. Step 5: Solve for x
    x = 17,419,743,947.76/111,546.40
  6. Step 6: Final answer
    x = 156,165.90

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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.