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Finding the Fourth Proportional to 111,374.89, 167,057.90 and 36,500.65

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Solution

The fourth proportional to 111,374.89, 167,057.90 and 36,500.65 is: 54,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,374.89 : 167,057.90 = 36,500.65 : x
  2. Step 2: Convert to fraction form
    111,374.89/167,057.90 = 36,500.65/x
  3. Step 3: Cross multiply
    111,374.89x = 167,057.90 × 36,500.65
  4. Step 4: Simplify right side
    111,374.89x = 6,097,721,755.13
  5. Step 5: Solve for x
    x = 6,097,721,755.13/111,374.89
  6. Step 6: Final answer
    x = 54,749.52

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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.