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Finding the Fourth Proportional to 66,141.56, 91,265.78 and 37,841.96

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Solution

The fourth proportional to 66,141.56, 91,265.78 and 37,841.96 is: 52,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.56 : 91,265.78 = 37,841.96 : x
  2. Step 2: Convert to fraction form
    66,141.56/91,265.78 = 37,841.96/x
  3. Step 3: Cross multiply
    66,141.56x = 91,265.78 × 37,841.96
  4. Step 4: Simplify right side
    66,141.56x = 3,453,675,996.13
  5. Step 5: Solve for x
    x = 3,453,675,996.13/66,141.56
  6. Step 6: Final answer
    x = 52,216.43

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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.