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Finding the Fourth Proportional to 182,983.20, 274,474.80 and 154,114.80

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Solution

The fourth proportional to 182,983.20, 274,474.80 and 154,114.80 is: 231,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,983.20 : 274,474.80 = 154,114.80 : x
  2. Step 2: Convert to fraction form
    182,983.20/274,474.80 = 154,114.80/x
  3. Step 3: Cross multiply
    182,983.20x = 274,474.80 × 154,114.80
  4. Step 4: Simplify right side
    182,983.20x = 42,300,628,907.04
  5. Step 5: Solve for x
    x = 42,300,628,907.04/182,983.20
  6. Step 6: Final answer
    x = 231,172.20

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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.