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Finding the Fourth Proportional to 223,957.80, 335,936.70 and 160,972.20

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Solution

The fourth proportional to 223,957.80, 335,936.70 and 160,972.20 is: 241,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,957.80 : 335,936.70 = 160,972.20 : x
  2. Step 2: Convert to fraction form
    223,957.80/335,936.70 = 160,972.20/x
  3. Step 3: Cross multiply
    223,957.80x = 335,936.70 × 160,972.20
  4. Step 4: Simplify right side
    223,957.80x = 54,076,469,659.74
  5. Step 5: Solve for x
    x = 54,076,469,659.74/223,957.80
  6. Step 6: Final answer
    x = 241,458.30

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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.