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Finding the Fourth Proportional to 66,382.73, 99,344.46 and 63,627.11

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Solution

The fourth proportional to 66,382.73, 99,344.46 and 63,627.11 is: 95,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,382.73 : 99,344.46 = 63,627.11 : x
  2. Step 2: Convert to fraction form
    66,382.73/99,344.46 = 63,627.11/x
  3. Step 3: Cross multiply
    66,382.73x = 99,344.46 × 63,627.11
  4. Step 4: Simplify right side
    66,382.73x = 6,321,000,884.31
  5. Step 5: Solve for x
    x = 6,321,000,884.31/66,382.73
  6. Step 6: Final answer
    x = 95,220.56

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Why These Related Problems?

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