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Finding the Fourth Proportional to 222,496.80, 333,745.20 and 162,718.80

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Solution

The fourth proportional to 222,496.80, 333,745.20 and 162,718.80 is: 244,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,496.80 : 333,745.20 = 162,718.80 : x
  2. Step 2: Convert to fraction form
    222,496.80/333,745.20 = 162,718.80/x
  3. Step 3: Cross multiply
    222,496.80x = 333,745.20 × 162,718.80
  4. Step 4: Simplify right side
    222,496.80x = 54,306,618,449.76
  5. Step 5: Solve for x
    x = 54,306,618,449.76/222,496.80
  6. Step 6: Final answer
    x = 244,078.20

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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.