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Finding the Fourth Proportional to 225,736.37, 338,649.05 and 83,582.89

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Solution

The fourth proportional to 225,736.37, 338,649.05 and 83,582.89 is: 125,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,736.37 : 338,649.05 = 83,582.89 : x
  2. Step 2: Convert to fraction form
    225,736.37/338,649.05 = 83,582.89/x
  3. Step 3: Cross multiply
    225,736.37x = 338,649.05 × 83,582.89
  4. Step 4: Simplify right side
    225,736.37x = 28,305,265,657.09
  5. Step 5: Solve for x
    x = 28,305,265,657.09/225,736.37
  6. Step 6: Final answer
    x = 125,390.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.