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Finding the Fourth Proportional to 66,244.73, 99,137.46 and 63,489.11

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Solution

The fourth proportional to 66,244.73, 99,137.46 and 63,489.11 is: 95,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,244.73 : 99,137.46 = 63,489.11 : x
  2. Step 2: Convert to fraction form
    66,244.73/99,137.46 = 63,489.11/x
  3. Step 3: Cross multiply
    66,244.73x = 99,137.46 × 63,489.11
  4. Step 4: Simplify right side
    66,244.73x = 6,294,149,103.06
  5. Step 5: Solve for x
    x = 6,294,149,103.06/66,244.73
  6. Step 6: Final answer
    x = 95,013.58

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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.