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Finding the Fourth Proportional to 92,436.58, 138,644.16 and 25,882.03

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Solution

The fourth proportional to 92,436.58, 138,644.16 and 25,882.03 is: 38,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,436.58 : 138,644.16 = 25,882.03 : x
  2. Step 2: Convert to fraction form
    92,436.58/138,644.16 = 25,882.03/x
  3. Step 3: Cross multiply
    92,436.58x = 138,644.16 × 25,882.03
  4. Step 4: Simplify right side
    92,436.58x = 3,588,392,308.44
  5. Step 5: Solve for x
    x = 3,588,392,308.44/92,436.58
  6. Step 6: Final answer
    x = 38,820.05

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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.