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Finding the Fourth Proportional to 199,655.28, 275,525.28 and 109,013.04

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Solution

The fourth proportional to 199,655.28, 275,525.28 and 109,013.04 is: 150,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,655.28 : 275,525.28 = 109,013.04 : x
  2. Step 2: Convert to fraction form
    199,655.28/275,525.28 = 109,013.04/x
  3. Step 3: Cross multiply
    199,655.28x = 275,525.28 × 109,013.04
  4. Step 4: Simplify right side
    199,655.28x = 30,035,848,369.65
  5. Step 5: Solve for x
    x = 30,035,848,369.65/199,655.28
  6. Step 6: Final answer
    x = 150,438.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.