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Finding the Fourth Proportional to 200,635.34, 300,740.82 and 74,194.34

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Solution

The fourth proportional to 200,635.34, 300,740.82 and 74,194.34 is: 111,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,635.34 : 300,740.82 = 74,194.34 : x
  2. Step 2: Convert to fraction form
    200,635.34/300,740.82 = 74,194.34/x
  3. Step 3: Cross multiply
    200,635.34x = 300,740.82 × 74,194.34
  4. Step 4: Simplify right side
    200,635.34x = 22,313,266,650.96
  5. Step 5: Solve for x
    x = 22,313,266,650.96/200,635.34
  6. Step 6: Final answer
    x = 111,213.04

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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.