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Finding the Fourth Proportional to 201,808.26, 278,515.04 and 150,732.27

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Solution

The fourth proportional to 201,808.26, 278,515.04 and 150,732.27 is: 208,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,808.26 : 278,515.04 = 150,732.27 : x
  2. Step 2: Convert to fraction form
    201,808.26/278,515.04 = 150,732.27/x
  3. Step 3: Cross multiply
    201,808.26x = 278,515.04 × 150,732.27
  4. Step 4: Simplify right side
    201,808.26x = 41,981,203,454.68
  5. Step 5: Solve for x
    x = 41,981,203,454.68/201,808.26
  6. Step 6: Final answer
    x = 208,025.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.