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Finding the Fourth Proportional to 200,732.72, 301,105.38 and 74,404.58

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Solution

The fourth proportional to 200,732.72, 301,105.38 and 74,404.58 is: 111,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,732.72 : 301,105.38 = 74,404.58 : x
  2. Step 2: Convert to fraction form
    200,732.72/301,105.38 = 74,404.58/x
  3. Step 3: Cross multiply
    200,732.72x = 301,105.38 × 74,404.58
  4. Step 4: Simplify right side
    200,732.72x = 22,403,619,334.64
  5. Step 5: Solve for x
    x = 22,403,619,334.64/200,732.72
  6. Step 6: Final answer
    x = 111,609.21

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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.