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Finding the Fourth Proportional to 87,625.96, 131,425.98 and 32,209

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Solution

The fourth proportional to 87,625.96, 131,425.98 and 32,209 is: 48,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.96 : 131,425.98 = 32,209 : x
  2. Step 2: Convert to fraction form
    87,625.96/131,425.98 = 32,209/x
  3. Step 3: Cross multiply
    87,625.96x = 131,425.98 × 32,209
  4. Step 4: Simplify right side
    87,625.96x = 4,233,099,389.82
  5. Step 5: Solve for x
    x = 4,233,099,389.82/87,625.96
  6. Step 6: Final answer
    x = 48,308.74

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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.