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Finding the Fourth Proportional to 85,073.98, 127,581.22 and 25,086.53

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Solution

The fourth proportional to 85,073.98, 127,581.22 and 25,086.53 is: 37,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073.98 : 127,581.22 = 25,086.53 : x
  2. Step 2: Convert to fraction form
    85,073.98/127,581.22 = 25,086.53/x
  3. Step 3: Cross multiply
    85,073.98x = 127,581.22 × 25,086.53
  4. Step 4: Simplify right side
    85,073.98x = 3,200,570,453.28
  5. Step 5: Solve for x
    x = 3,200,570,453.28/85,073.98
  6. Step 6: Final answer
    x = 37,621.03

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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.