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Finding the Fourth Proportional to 367,133.20, 550,699.84 and 130,485.24

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Solution

The fourth proportional to 367,133.20, 550,699.84 and 130,485.24 is: 195,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,133.20 : 550,699.84 = 130,485.24 : x
  2. Step 2: Convert to fraction form
    367,133.20/550,699.84 = 130,485.24/x
  3. Step 3: Cross multiply
    367,133.20x = 550,699.84 × 130,485.24
  4. Step 4: Simplify right side
    367,133.20x = 71,858,200,790.36
  5. Step 5: Solve for x
    x = 71,858,200,790.36/367,133.20
  6. Step 6: Final answer
    x = 195,727.87

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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.