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Finding the Fourth Proportional to 80,063.76, 120,112.68 and 23,908.26

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Solution

The fourth proportional to 80,063.76, 120,112.68 and 23,908.26 is: 35,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.76 : 120,112.68 = 23,908.26 : x
  2. Step 2: Convert to fraction form
    80,063.76/120,112.68 = 23,908.26/x
  3. Step 3: Cross multiply
    80,063.76x = 120,112.68 × 23,908.26
  4. Step 4: Simplify right side
    80,063.76x = 2,871,685,182.74
  5. Step 5: Solve for x
    x = 2,871,685,182.74/80,063.76
  6. Step 6: Final answer
    x = 35,867.48

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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.