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Finding the Fourth Proportional to 110,616.66, 166,091.15 and 63,285.19

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Solution

The fourth proportional to 110,616.66, 166,091.15 and 63,285.19 is: 95,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616.66 : 166,091.15 = 63,285.19 : x
  2. Step 2: Convert to fraction form
    110,616.66/166,091.15 = 63,285.19/x
  3. Step 3: Cross multiply
    110,616.66x = 166,091.15 × 63,285.19
  4. Step 4: Simplify right side
    110,616.66x = 10,511,109,728.05
  5. Step 5: Solve for x
    x = 10,511,109,728.05/110,616.66
  6. Step 6: Final answer
    x = 95,022.84

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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.