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Finding the Fourth Proportional to 221,718.62, 332,529.24 and 63,912.80

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Solution

The fourth proportional to 221,718.62, 332,529.24 and 63,912.80 is: 95,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,718.62 : 332,529.24 = 63,912.80 : x
  2. Step 2: Convert to fraction form
    221,718.62/332,529.24 = 63,912.80/x
  3. Step 3: Cross multiply
    221,718.62x = 332,529.24 × 63,912.80
  4. Step 4: Simplify right side
    221,718.62x = 21,252,874,810.27
  5. Step 5: Solve for x
    x = 21,252,874,810.27/221,718.62
  6. Step 6: Final answer
    x = 95,855.16

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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.