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Finding the Fourth Proportional to 225,939.08, 338,909.22 and 92,725.88

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Solution

The fourth proportional to 225,939.08, 338,909.22 and 92,725.88 is: 139,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,939.08 : 338,909.22 = 92,725.88 : x
  2. Step 2: Convert to fraction form
    225,939.08/338,909.22 = 92,725.88/x
  3. Step 3: Cross multiply
    225,939.08x = 338,909.22 × 92,725.88
  4. Step 4: Simplify right side
    225,939.08x = 31,425,653,970.07
  5. Step 5: Solve for x
    x = 31,425,653,970.07/225,939.08
  6. Step 6: Final answer
    x = 139,089.06

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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.