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Finding the Fourth Proportional to 74,313.56, 111,474 and 29,934.32

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Solution

The fourth proportional to 74,313.56, 111,474 and 29,934.32 is: 44,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.56 : 111,474 = 29,934.32 : x
  2. Step 2: Convert to fraction form
    74,313.56/111,474 = 29,934.32/x
  3. Step 3: Cross multiply
    74,313.56x = 111,474 × 29,934.32
  4. Step 4: Simplify right side
    74,313.56x = 3,336,898,387.68
  5. Step 5: Solve for x
    x = 3,336,898,387.68/74,313.56
  6. Step 6: Final answer
    x = 44,902.95

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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.