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Finding the Fourth Proportional to 200,388.24, 300,628.44 and 60,149.52

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Solution

The fourth proportional to 200,388.24, 300,628.44 and 60,149.52 is: 90,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,388.24 : 300,628.44 = 60,149.52 : x
  2. Step 2: Convert to fraction form
    200,388.24/300,628.44 = 60,149.52/x
  3. Step 3: Cross multiply
    200,388.24x = 300,628.44 × 60,149.52
  4. Step 4: Simplify right side
    200,388.24x = 18,082,656,364.35
  5. Step 5: Solve for x
    x = 18,082,656,364.35/200,388.24
  6. Step 6: Final answer
    x = 90,238.11

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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.