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Finding the Fourth Proportional to 367,022.46, 550,474.80 and 100,720.80

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Solution

The fourth proportional to 367,022.46, 550,474.80 and 100,720.80 is: 151,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,022.46 : 550,474.80 = 100,720.80 : x
  2. Step 2: Convert to fraction form
    367,022.46/550,474.80 = 100,720.80/x
  3. Step 3: Cross multiply
    367,022.46x = 550,474.80 × 100,720.80
  4. Step 4: Simplify right side
    367,022.46x = 55,444,262,235.84
  5. Step 5: Solve for x
    x = 55,444,262,235.84/367,022.46
  6. Step 6: Final answer
    x = 151,065.04

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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.