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Finding the Fourth Proportional to 85,452.44, 117,926.91 and 47,725.88

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Solution

The fourth proportional to 85,452.44, 117,926.91 and 47,725.88 is: 65,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,452.44 : 117,926.91 = 47,725.88 : x
  2. Step 2: Convert to fraction form
    85,452.44/117,926.91 = 47,725.88/x
  3. Step 3: Cross multiply
    85,452.44x = 117,926.91 × 47,725.88
  4. Step 4: Simplify right side
    85,452.44x = 5,628,164,965.80
  5. Step 5: Solve for x
    x = 5,628,164,965.80/85,452.44
  6. Step 6: Final answer
    x = 65,863.13

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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.