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Finding the Fourth Proportional to 80,086.52, 110,392.17 and 63,063.77

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Solution

The fourth proportional to 80,086.52, 110,392.17 and 63,063.77 is: 86,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,086.52 : 110,392.17 = 63,063.77 : x
  2. Step 2: Convert to fraction form
    80,086.52/110,392.17 = 63,063.77/x
  3. Step 3: Cross multiply
    80,086.52x = 110,392.17 × 63,063.77
  4. Step 4: Simplify right side
    80,086.52x = 6,961,745,630.23
  5. Step 5: Solve for x
    x = 6,961,745,630.23/80,086.52
  6. Step 6: Final answer
    x = 86,927.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.