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Finding the Fourth Proportional to 200,249.63, 300,492.61 and 73,979.24

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Solution

The fourth proportional to 200,249.63, 300,492.61 and 73,979.24 is: 111,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,249.63 : 300,492.61 = 73,979.24 : x
  2. Step 2: Convert to fraction form
    200,249.63/300,492.61 = 73,979.24/x
  3. Step 3: Cross multiply
    200,249.63x = 300,492.61 × 73,979.24
  4. Step 4: Simplify right side
    200,249.63x = 22,230,215,479.70
  5. Step 5: Solve for x
    x = 22,230,215,479.70/200,249.63
  6. Step 6: Final answer
    x = 111,012.52

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1.5x scale

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.