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Finding the Fourth Proportional to 220,380.50, 304,249.97 and 168,600.18

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Solution

The fourth proportional to 220,380.50, 304,249.97 and 168,600.18 is: 232,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,380.50 : 304,249.97 = 168,600.18 : x
  2. Step 2: Convert to fraction form
    220,380.50/304,249.97 = 168,600.18/x
  3. Step 3: Cross multiply
    220,380.50x = 304,249.97 × 168,600.18
  4. Step 4: Simplify right side
    220,380.50x = 51,296,598,983.10
  5. Step 5: Solve for x
    x = 51,296,598,983.10/220,380.50
  6. Step 6: Final answer
    x = 232,763.79

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1.5x scale

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.