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Finding the Fourth Proportional to 188,450.50, 282,726.78 and 63,791.50

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Solution

The fourth proportional to 188,450.50, 282,726.78 and 63,791.50 is: 95,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,450.50 : 282,726.78 = 63,791.50 : x
  2. Step 2: Convert to fraction form
    188,450.50/282,726.78 = 63,791.50/x
  3. Step 3: Cross multiply
    188,450.50x = 282,726.78 × 63,791.50
  4. Step 4: Simplify right side
    188,450.50x = 18,035,565,386.37
  5. Step 5: Solve for x
    x = 18,035,565,386.37/188,450.50
  6. Step 6: Final answer
    x = 95,704.52

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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.