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Finding the Fourth Proportional to 92,236.84, 138,355.43 and 25,676.97

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Solution

The fourth proportional to 92,236.84, 138,355.43 and 25,676.97 is: 38,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,236.84 : 138,355.43 = 25,676.97 : x
  2. Step 2: Convert to fraction form
    92,236.84/138,355.43 = 25,676.97/x
  3. Step 3: Cross multiply
    92,236.84x = 138,355.43 × 25,676.97
  4. Step 4: Simplify right side
    92,236.84x = 3,552,548,853.93
  5. Step 5: Solve for x
    x = 3,552,548,853.93/92,236.84
  6. Step 6: Final answer
    x = 38,515.51

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1.5x scale

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.