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Finding the Fourth Proportional to 322,876.20, 484,199.10 and 123,144.36

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Solution

The fourth proportional to 322,876.20, 484,199.10 and 123,144.36 is: 184,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,876.20 : 484,199.10 = 123,144.36 : x
  2. Step 2: Convert to fraction form
    322,876.20/484,199.10 = 123,144.36/x
  3. Step 3: Cross multiply
    322,876.20x = 484,199.10 × 123,144.36
  4. Step 4: Simplify right side
    322,876.20x = 59,626,388,282.08
  5. Step 5: Solve for x
    x = 59,626,388,282.08/322,876.20
  6. Step 6: Final answer
    x = 184,672.60

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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.