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Finding the Fourth Proportional to 66,536.70, 99,836.22 and 29,091.96

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Solution

The fourth proportional to 66,536.70, 99,836.22 and 29,091.96 is: 43,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.70 : 99,836.22 = 29,091.96 : x
  2. Step 2: Convert to fraction form
    66,536.70/99,836.22 = 29,091.96/x
  3. Step 3: Cross multiply
    66,536.70x = 99,836.22 × 29,091.96
  4. Step 4: Simplify right side
    66,536.70x = 2,904,431,318.79
  5. Step 5: Solve for x
    x = 2,904,431,318.79/66,536.70
  6. Step 6: Final answer
    x = 43,651.57

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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.