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Finding the Fourth Proportional to 110,975.56, 166,456.04 and 47,793.14

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Solution

The fourth proportional to 110,975.56, 166,456.04 and 47,793.14 is: 71,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,975.56 : 166,456.04 = 47,793.14 : x
  2. Step 2: Convert to fraction form
    110,975.56/166,456.04 = 47,793.14/x
  3. Step 3: Cross multiply
    110,975.56x = 166,456.04 × 47,793.14
  4. Step 4: Simplify right side
    110,975.56x = 7,955,456,823.57
  5. Step 5: Solve for x
    x = 7,955,456,823.57/110,975.56
  6. Step 6: Final answer
    x = 71,686.57

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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.