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Finding the Fourth Proportional to 66,844.26, 100,269.36 and 37,239.66

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Solution

The fourth proportional to 66,844.26, 100,269.36 and 37,239.66 is: 55,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.26 : 100,269.36 = 37,239.66 : x
  2. Step 2: Convert to fraction form
    66,844.26/100,269.36 = 37,239.66/x
  3. Step 3: Cross multiply
    66,844.26x = 100,269.36 × 37,239.66
  4. Step 4: Simplify right side
    66,844.26x = 3,733,996,874.82
  5. Step 5: Solve for x
    x = 3,733,996,874.82/66,844.26
  6. Step 6: Final answer
    x = 55,861.14

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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.