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Finding the Fourth Proportional to 92,249.57, 138,378 and 25,695.52

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Solution

The fourth proportional to 92,249.57, 138,378 and 25,695.52 is: 38,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,249.57 : 138,378 = 25,695.52 : x
  2. Step 2: Convert to fraction form
    92,249.57/138,378 = 25,695.52/x
  3. Step 3: Cross multiply
    92,249.57x = 138,378 × 25,695.52
  4. Step 4: Simplify right side
    92,249.57x = 3,555,694,666.56
  5. Step 5: Solve for x
    x = 3,555,694,666.56/92,249.57
  6. Step 6: Final answer
    x = 38,544.30

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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.