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Finding the Fourth Proportional to 101,692.82, 152,521.88 and 26,813.69

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Solution

The fourth proportional to 101,692.82, 152,521.88 and 26,813.69 is: 40,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,692.82 : 152,521.88 = 26,813.69 : x
  2. Step 2: Convert to fraction form
    101,692.82/152,521.88 = 26,813.69/x
  3. Step 3: Cross multiply
    101,692.82x = 152,521.88 × 26,813.69
  4. Step 4: Simplify right side
    101,692.82x = 4,089,675,092.58
  5. Step 5: Solve for x
    x = 4,089,675,092.58/101,692.82
  6. Step 6: Final answer
    x = 40,215.97

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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.