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Finding the Fourth Proportional to 58,131.82, 87,195.43 and 16,578.82

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Solution

The fourth proportional to 58,131.82, 87,195.43 and 16,578.82 is: 24,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,131.82 : 87,195.43 = 16,578.82 : x
  2. Step 2: Convert to fraction form
    58,131.82/87,195.43 = 16,578.82/x
  3. Step 3: Cross multiply
    58,131.82x = 87,195.43 × 16,578.82
  4. Step 4: Simplify right side
    58,131.82x = 1,445,597,338.79
  5. Step 5: Solve for x
    x = 1,445,597,338.79/58,131.82
  6. Step 6: Final answer
    x = 24,867.57

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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.