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Finding the Fourth Proportional to 58,279.50, 87,409.50 and 16,163.88

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Solution

The fourth proportional to 58,279.50, 87,409.50 and 16,163.88 is: 24,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,279.50 : 87,409.50 = 16,163.88 : x
  2. Step 2: Convert to fraction form
    58,279.50/87,409.50 = 16,163.88/x
  3. Step 3: Cross multiply
    58,279.50x = 87,409.50 × 16,163.88
  4. Step 4: Simplify right side
    58,279.50x = 1,412,876,668.86
  5. Step 5: Solve for x
    x = 1,412,876,668.86/58,279.50
  6. Step 6: Final answer
    x = 24,243.12

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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.