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Finding the Fourth Proportional to 99,517.88, 149,277 and 29,446.40

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Solution

The fourth proportional to 99,517.88, 149,277 and 29,446.40 is: 44,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,517.88 : 149,277 = 29,446.40 : x
  2. Step 2: Convert to fraction form
    99,517.88/149,277 = 29,446.40/x
  3. Step 3: Cross multiply
    99,517.88x = 149,277 × 29,446.40
  4. Step 4: Simplify right side
    99,517.88x = 4,395,670,252.80
  5. Step 5: Solve for x
    x = 4,395,670,252.80/99,517.88
  6. Step 6: Final answer
    x = 44,169.65

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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.