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Finding the Fourth Proportional to 104,692.13, 144,500.80 and 59,396.62

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Solution

The fourth proportional to 104,692.13, 144,500.80 and 59,396.62 is: 81,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.13 : 144,500.80 = 59,396.62 : x
  2. Step 2: Convert to fraction form
    104,692.13/144,500.80 = 59,396.62/x
  3. Step 3: Cross multiply
    104,692.13x = 144,500.80 × 59,396.62
  4. Step 4: Simplify right side
    104,692.13x = 8,582,859,780.21
  5. Step 5: Solve for x
    x = 8,582,859,780.21/104,692.13
  6. Step 6: Final answer
    x = 81,981.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.