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Finding the Fourth Proportional to 111,657.48, 167,286.96 and 58,949.16

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Solution

The fourth proportional to 111,657.48, 167,286.96 and 58,949.16 is: 88,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.48 : 167,286.96 = 58,949.16 : x
  2. Step 2: Convert to fraction form
    111,657.48/167,286.96 = 58,949.16/x
  3. Step 3: Cross multiply
    111,657.48x = 167,286.96 × 58,949.16
  4. Step 4: Simplify right side
    111,657.48x = 9,861,425,770.95
  5. Step 5: Solve for x
    x = 9,861,425,770.95/111,657.48
  6. Step 6: Final answer
    x = 88,318.54

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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.