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Finding the Fourth Proportional to 192,692.14, 288,664.18 and 141,999.18

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Solution

The fourth proportional to 192,692.14, 288,664.18 and 141,999.18 is: 212,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,692.14 : 288,664.18 = 141,999.18 : x
  2. Step 2: Convert to fraction form
    192,692.14/288,664.18 = 141,999.18/x
  3. Step 3: Cross multiply
    192,692.14x = 288,664.18 × 141,999.18
  4. Step 4: Simplify right side
    192,692.14x = 40,990,076,855.37
  5. Step 5: Solve for x
    x = 40,990,076,855.37/192,692.14
  6. Step 6: Final answer
    x = 212,723.14

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1.5x scale

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.