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Finding the Fourth Proportional to 221,295.45, 332,107.20 and 162,246.45

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Solution

The fourth proportional to 221,295.45, 332,107.20 and 162,246.45 is: 243,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,295.45 : 332,107.20 = 162,246.45 : x
  2. Step 2: Convert to fraction form
    221,295.45/332,107.20 = 162,246.45/x
  3. Step 3: Cross multiply
    221,295.45x = 332,107.20 × 162,246.45
  4. Step 4: Simplify right side
    221,295.45x = 53,883,214,219.44
  5. Step 5: Solve for x
    x = 53,883,214,219.44/221,295.45
  6. Step 6: Final answer
    x = 243,489.93

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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.