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Finding the Fourth Proportional to 110,736.63, 166,098.99 and 54,520.70

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Solution

The fourth proportional to 110,736.63, 166,098.99 and 54,520.70 is: 81,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.63 : 166,098.99 = 54,520.70 : x
  2. Step 2: Convert to fraction form
    110,736.63/166,098.99 = 54,520.70/x
  3. Step 3: Cross multiply
    110,736.63x = 166,098.99 × 54,520.70
  4. Step 4: Simplify right side
    110,736.63x = 9,055,832,373.60
  5. Step 5: Solve for x
    x = 9,055,832,373.60/110,736.63
  6. Step 6: Final answer
    x = 81,778.11

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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.