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Finding the Fourth Proportional to 367,121.16, 550,687.82 and 100,880.03

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Solution

The fourth proportional to 367,121.16, 550,687.82 and 100,880.03 is: 151,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,121.16 : 550,687.82 = 100,880.03 : x
  2. Step 2: Convert to fraction form
    367,121.16/550,687.82 = 100,880.03/x
  3. Step 3: Cross multiply
    367,121.16x = 550,687.82 × 100,880.03
  4. Step 4: Simplify right side
    367,121.16x = 55,553,404,674.55
  5. Step 5: Solve for x
    x = 55,553,404,674.55/367,121.16
  6. Step 6: Final answer
    x = 151,321.72

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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.