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Finding the Fourth Proportional to 225,604.71, 338,305.88 and 134,463.15

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Solution

The fourth proportional to 225,604.71, 338,305.88 and 134,463.15 is: 201,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,604.71 : 338,305.88 = 134,463.15 : x
  2. Step 2: Convert to fraction form
    225,604.71/338,305.88 = 134,463.15/x
  3. Step 3: Cross multiply
    225,604.71x = 338,305.88 × 134,463.15
  4. Step 4: Simplify right side
    225,604.71x = 45,489,673,616.01
  5. Step 5: Solve for x
    x = 45,489,673,616.01/225,604.71
  6. Step 6: Final answer
    x = 201,634.41

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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.