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Finding the Fourth Proportional to 225,606.20, 338,409.72 and 92,462.64

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Solution

The fourth proportional to 225,606.20, 338,409.72 and 92,462.64 is: 138,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,606.20 : 338,409.72 = 92,462.64 : x
  2. Step 2: Convert to fraction form
    225,606.20/338,409.72 = 92,462.64/x
  3. Step 3: Cross multiply
    225,606.20x = 338,409.72 × 92,462.64
  4. Step 4: Simplify right side
    225,606.20x = 31,290,256,112.86
  5. Step 5: Solve for x
    x = 31,290,256,112.86/225,606.20
  6. Step 6: Final answer
    x = 138,694.13

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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.