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Finding the Fourth Proportional to 111,380.88, 167,078.62 and 32,488.50

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Solution

The fourth proportional to 111,380.88, 167,078.62 and 32,488.50 is: 48,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,380.88 : 167,078.62 = 32,488.50 : x
  2. Step 2: Convert to fraction form
    111,380.88/167,078.62 = 32,488.50/x
  3. Step 3: Cross multiply
    111,380.88x = 167,078.62 × 32,488.50
  4. Step 4: Simplify right side
    111,380.88x = 5,428,133,745.87
  5. Step 5: Solve for x
    x = 5,428,133,745.87/111,380.88
  6. Step 6: Final answer
    x = 48,734.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.