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Finding the Fourth Proportional to 200,173.72, 300,247.62 and 75,511.48

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Solution

The fourth proportional to 200,173.72, 300,247.62 and 75,511.48 is: 113,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,173.72 : 300,247.62 = 75,511.48 : x
  2. Step 2: Convert to fraction form
    200,173.72/300,247.62 = 75,511.48/x
  3. Step 3: Cross multiply
    200,173.72x = 300,247.62 × 75,511.48
  4. Step 4: Simplify right side
    200,173.72x = 22,672,142,152.68
  5. Step 5: Solve for x
    x = 22,672,142,152.68/200,173.72
  6. Step 6: Final answer
    x = 113,262.33

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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.