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Finding the Fourth Proportional to 248,692.55, 372,726.86 and 106,370.82

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Solution

The fourth proportional to 248,692.55, 372,726.86 and 106,370.82 is: 159,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,692.55 : 372,726.86 = 106,370.82 : x
  2. Step 2: Convert to fraction form
    248,692.55/372,726.86 = 106,370.82/x
  3. Step 3: Cross multiply
    248,692.55x = 372,726.86 × 106,370.82
  4. Step 4: Simplify right side
    248,692.55x = 39,647,261,202.37
  5. Step 5: Solve for x
    x = 39,647,261,202.37/248,692.55
  6. Step 6: Final answer
    x = 159,422.80

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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.