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Finding the Fourth Proportional to 225,276, 337,651.56 and 125,388.42

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Solution

The fourth proportional to 225,276, 337,651.56 and 125,388.42 is: 187,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,276 : 337,651.56 = 125,388.42 : x
  2. Step 2: Convert to fraction form
    225,276/337,651.56 = 125,388.42/x
  3. Step 3: Cross multiply
    225,276x = 337,651.56 × 125,388.42
  4. Step 4: Simplify right side
    225,276x = 42,337,595,618.94
  5. Step 5: Solve for x
    x = 42,337,595,618.94/225,276
  6. Step 6: Final answer
    x = 187,936.56

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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.