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Finding the Fourth Proportional to 228,450.48, 315,262.08 and 126,483

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Solution

The fourth proportional to 228,450.48, 315,262.08 and 126,483 is: 174,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,450.48 : 315,262.08 = 126,483 : x
  2. Step 2: Convert to fraction form
    228,450.48/315,262.08 = 126,483/x
  3. Step 3: Cross multiply
    228,450.48x = 315,262.08 × 126,483
  4. Step 4: Simplify right side
    228,450.48x = 39,875,293,664.64
  5. Step 5: Solve for x
    x = 39,875,293,664.64/228,450.48
  6. Step 6: Final answer
    x = 174,546.77

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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.