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Finding the Fourth Proportional to 225,446.94, 338,294.88 and 125,663.31

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Solution

The fourth proportional to 225,446.94, 338,294.88 and 125,663.31 is: 188,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,446.94 : 338,294.88 = 125,663.31 : x
  2. Step 2: Convert to fraction form
    225,446.94/338,294.88 = 125,663.31/x
  3. Step 3: Cross multiply
    225,446.94x = 338,294.88 × 125,663.31
  4. Step 4: Simplify right side
    225,446.94x = 42,511,254,376.85
  5. Step 5: Solve for x
    x = 42,511,254,376.85/225,446.94
  6. Step 6: Final answer
    x = 188,564.34

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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.