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Finding the Fourth Proportional to 221,674.38, 332,558.32 and 71,903.04

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Solution

The fourth proportional to 221,674.38, 332,558.32 and 71,903.04 is: 107,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,674.38 : 332,558.32 = 71,903.04 : x
  2. Step 2: Convert to fraction form
    221,674.38/332,558.32 = 71,903.04/x
  3. Step 3: Cross multiply
    221,674.38x = 332,558.32 × 71,903.04
  4. Step 4: Simplify right side
    221,674.38x = 23,911,954,185.29
  5. Step 5: Solve for x
    x = 23,911,954,185.29/221,674.38
  6. Step 6: Final answer
    x = 107,869.72

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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.