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Finding the Fourth Proportional to 66,232.62, 91,359.90 and 41,082.12

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Solution

The fourth proportional to 66,232.62, 91,359.90 and 41,082.12 is: 56,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.62 : 91,359.90 = 41,082.12 : x
  2. Step 2: Convert to fraction form
    66,232.62/91,359.90 = 41,082.12/x
  3. Step 3: Cross multiply
    66,232.62x = 91,359.90 × 41,082.12
  4. Step 4: Simplify right side
    66,232.62x = 3,753,258,374.99
  5. Step 5: Solve for x
    x = 3,753,258,374.99/66,232.62
  6. Step 6: Final answer
    x = 56,667.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.