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Finding the Fourth Proportional to 188,645.15, 282,936.97 and 55,494.27

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Solution

The fourth proportional to 188,645.15, 282,936.97 and 55,494.27 is: 83,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,645.15 : 282,936.97 = 55,494.27 : x
  2. Step 2: Convert to fraction form
    188,645.15/282,936.97 = 55,494.27/x
  3. Step 3: Cross multiply
    188,645.15x = 282,936.97 × 55,494.27
  4. Step 4: Simplify right side
    188,645.15x = 15,701,379,302.36
  5. Step 5: Solve for x
    x = 15,701,379,302.36/188,645.15
  6. Step 6: Final answer
    x = 83,232.35

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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.