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Finding the Fourth Proportional to 221,626.32, 305,866.46 and 132,202.32

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Solution

The fourth proportional to 221,626.32, 305,866.46 and 132,202.32 is: 182,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,626.32 : 305,866.46 = 132,202.32 : x
  2. Step 2: Convert to fraction form
    221,626.32/305,866.46 = 132,202.32/x
  3. Step 3: Cross multiply
    221,626.32x = 305,866.46 × 132,202.32
  4. Step 4: Simplify right side
    221,626.32x = 40,436,255,622.19
  5. Step 5: Solve for x
    x = 40,436,255,622.19/221,626.32
  6. Step 6: Final answer
    x = 182,452.41

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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.