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Finding the Fourth Proportional to 87,668.94, 131,553.63 and 37,063.92

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Solution

The fourth proportional to 87,668.94, 131,553.63 and 37,063.92 is: 55,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668.94 : 131,553.63 = 37,063.92 : x
  2. Step 2: Convert to fraction form
    87,668.94/131,553.63 = 37,063.92/x
  3. Step 3: Cross multiply
    87,668.94x = 131,553.63 × 37,063.92
  4. Step 4: Simplify right side
    87,668.94x = 4,875,893,218.03
  5. Step 5: Solve for x
    x = 4,875,893,218.03/87,668.94
  6. Step 6: Final answer
    x = 55,617.11

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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.