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Finding the Fourth Proportional to 108,692.37, 163,021.14 and 29,788.29

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Solution

The fourth proportional to 108,692.37, 163,021.14 and 29,788.29 is: 44,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,692.37 : 163,021.14 = 29,788.29 : x
  2. Step 2: Convert to fraction form
    108,692.37/163,021.14 = 29,788.29/x
  3. Step 3: Cross multiply
    108,692.37x = 163,021.14 × 29,788.29
  4. Step 4: Simplify right side
    108,692.37x = 4,856,120,994.45
  5. Step 5: Solve for x
    x = 4,856,120,994.45/108,692.37
  6. Step 6: Final answer
    x = 44,677.66

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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.