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Finding the Fourth Proportional to 225,507.27, 338,260.68 and 92,387.77

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Solution

The fourth proportional to 225,507.27, 338,260.68 and 92,387.77 is: 138,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,507.27 : 338,260.68 = 92,387.77 : x
  2. Step 2: Convert to fraction form
    225,507.27/338,260.68 = 92,387.77/x
  3. Step 3: Cross multiply
    225,507.27x = 338,260.68 × 92,387.77
  4. Step 4: Simplify right side
    225,507.27x = 31,251,150,326.71
  5. Step 5: Solve for x
    x = 31,251,150,326.71/225,507.27
  6. Step 6: Final answer
    x = 138,581.56

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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.