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Finding the Fourth Proportional to 92,144.67, 138,201.59 and 25,591.53

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Solution

The fourth proportional to 92,144.67, 138,201.59 and 25,591.53 is: 38,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.67 : 138,201.59 = 25,591.53 : x
  2. Step 2: Convert to fraction form
    92,144.67/138,201.59 = 25,591.53/x
  3. Step 3: Cross multiply
    92,144.67x = 138,201.59 × 25,591.53
  4. Step 4: Simplify right side
    92,144.67x = 3,536,790,008.58
  5. Step 5: Solve for x
    x = 3,536,790,008.58/92,144.67
  6. Step 6: Final answer
    x = 38,383.01

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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.