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Finding the Fourth Proportional to 110,751.40, 166,010.44 and 55,230.76

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Solution

The fourth proportional to 110,751.40, 166,010.44 and 55,230.76 is: 82,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,751.40 : 166,010.44 = 55,230.76 : x
  2. Step 2: Convert to fraction form
    110,751.40/166,010.44 = 55,230.76/x
  3. Step 3: Cross multiply
    110,751.40x = 166,010.44 × 55,230.76
  4. Step 4: Simplify right side
    110,751.40x = 9,168,882,769.13
  5. Step 5: Solve for x
    x = 9,168,882,769.13/110,751.40
  6. Step 6: Final answer
    x = 82,787.96

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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.