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Finding the Fourth Proportional to 87,967.92, 131,951.79 and 35,365.08

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Solution

The fourth proportional to 87,967.92, 131,951.79 and 35,365.08 is: 53,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.92 : 131,951.79 = 35,365.08 : x
  2. Step 2: Convert to fraction form
    87,967.92/131,951.79 = 35,365.08/x
  3. Step 3: Cross multiply
    87,967.92x = 131,951.79 × 35,365.08
  4. Step 4: Simplify right side
    87,967.92x = 4,666,485,609.49
  5. Step 5: Solve for x
    x = 4,666,485,609.49/87,967.92
  6. Step 6: Final answer
    x = 53,047.58

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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.