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Finding the Fourth Proportional to 66,701.66, 100,052.55 and 27,251.82

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Solution

The fourth proportional to 66,701.66, 100,052.55 and 27,251.82 is: 40,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701.66 : 100,052.55 = 27,251.82 : x
  2. Step 2: Convert to fraction form
    66,701.66/100,052.55 = 27,251.82/x
  3. Step 3: Cross multiply
    66,701.66x = 100,052.55 × 27,251.82
  4. Step 4: Simplify right side
    66,701.66x = 2,726,614,083.14
  5. Step 5: Solve for x
    x = 2,726,614,083.14/66,701.66
  6. Step 6: Final answer
    x = 40,877.76

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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.