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Finding the Fourth Proportional to 225,961.48, 338,529.08 and 105,797.96

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Solution

The fourth proportional to 225,961.48, 338,529.08 and 105,797.96 is: 158,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,961.48 : 338,529.08 = 105,797.96 : x
  2. Step 2: Convert to fraction form
    225,961.48/338,529.08 = 105,797.96/x
  3. Step 3: Cross multiply
    225,961.48x = 338,529.08 × 105,797.96
  4. Step 4: Simplify right side
    225,961.48x = 35,815,686,064.68
  5. Step 5: Solve for x
    x = 35,815,686,064.68/225,961.48
  6. Step 6: Final answer
    x = 158,503.50

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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.