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Finding the Fourth Proportional to 171,676.92, 257,504.10 and 59,331

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Solution

The fourth proportional to 171,676.92, 257,504.10 and 59,331 is: 88,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,676.92 : 257,504.10 = 59,331 : x
  2. Step 2: Convert to fraction form
    171,676.92/257,504.10 = 59,331/x
  3. Step 3: Cross multiply
    171,676.92x = 257,504.10 × 59,331
  4. Step 4: Simplify right side
    171,676.92x = 15,277,975,757.10
  5. Step 5: Solve for x
    x = 15,277,975,757.10/171,676.92
  6. Step 6: Final answer
    x = 88,992.60

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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.