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Finding the Fourth Proportional to 87,676.51, 131,573.01 and 32,272.51

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Solution

The fourth proportional to 87,676.51, 131,573.01 and 32,272.51 is: 48,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,676.51 : 131,573.01 = 32,272.51 : x
  2. Step 2: Convert to fraction form
    87,676.51/131,573.01 = 32,272.51/x
  3. Step 3: Cross multiply
    87,676.51x = 131,573.01 × 32,272.51
  4. Step 4: Simplify right side
    87,676.51x = 4,246,190,623.09
  5. Step 5: Solve for x
    x = 4,246,190,623.09/87,676.51
  6. Step 6: Final answer
    x = 48,430.20

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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.