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Finding the Fourth Proportional to 228,107.73, 314,771.83 and 126,134.54

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Solution

The fourth proportional to 228,107.73, 314,771.83 and 126,134.54 is: 174,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,107.73 : 314,771.83 = 126,134.54 : x
  2. Step 2: Convert to fraction form
    228,107.73/314,771.83 = 126,134.54/x
  3. Step 3: Cross multiply
    228,107.73x = 314,771.83 × 126,134.54
  4. Step 4: Simplify right side
    228,107.73x = 39,703,599,982.01
  5. Step 5: Solve for x
    x = 39,703,599,982.01/228,107.73
  6. Step 6: Final answer
    x = 174,056.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.