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Finding the Fourth Proportional to 225,161.67, 309,422.68 and 214,753.71

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Solution

The fourth proportional to 225,161.67, 309,422.68 and 214,753.71 is: 295,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,161.67 : 309,422.68 = 214,753.71 : x
  2. Step 2: Convert to fraction form
    225,161.67/309,422.68 = 214,753.71/x
  3. Step 3: Cross multiply
    225,161.67x = 309,422.68 × 214,753.71
  4. Step 4: Simplify right side
    225,161.67x = 66,449,668,488.14
  5. Step 5: Solve for x
    x = 66,449,668,488.14/225,161.67
  6. Step 6: Final answer
    x = 295,119.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.