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Finding the Fourth Proportional to 111,375.87, 167,060.99 and 32,490.78

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Solution

The fourth proportional to 111,375.87, 167,060.99 and 32,490.78 is: 48,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,375.87 : 167,060.99 = 32,490.78 : x
  2. Step 2: Convert to fraction form
    111,375.87/167,060.99 = 32,490.78/x
  3. Step 3: Cross multiply
    111,375.87x = 167,060.99 × 32,490.78
  4. Step 4: Simplify right side
    111,375.87x = 5,427,941,710.22
  5. Step 5: Solve for x
    x = 5,427,941,710.22/111,375.87
  6. Step 6: Final answer
    x = 48,735.35

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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.