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Finding the Fourth Proportional to 111,372.58, 167,041.89 and 36,500.50

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Solution

The fourth proportional to 111,372.58, 167,041.89 and 36,500.50 is: 54,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,372.58 : 167,041.89 = 36,500.50 : x
  2. Step 2: Convert to fraction form
    111,372.58/167,041.89 = 36,500.50/x
  3. Step 3: Cross multiply
    111,372.58x = 167,041.89 × 36,500.50
  4. Step 4: Simplify right side
    111,372.58x = 6,097,112,505.95
  5. Step 5: Solve for x
    x = 6,097,112,505.95/111,372.58
  6. Step 6: Final answer
    x = 54,745.19

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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.