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Finding the Fourth Proportional to 101,438.44, 152,222.94 and 54,723.56

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Solution

The fourth proportional to 101,438.44, 152,222.94 and 54,723.56 is: 82,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,438.44 : 152,222.94 = 54,723.56 : x
  2. Step 2: Convert to fraction form
    101,438.44/152,222.94 = 54,723.56/x
  3. Step 3: Cross multiply
    101,438.44x = 152,222.94 × 54,723.56
  4. Step 4: Simplify right side
    101,438.44x = 8,330,181,190.47
  5. Step 5: Solve for x
    x = 8,330,181,190.47/101,438.44
  6. Step 6: Final answer
    x = 82,120.56

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1.5x scale

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.