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Finding the Fourth Proportional to 216,771.65, 324,736.67 and 159,742.04

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Solution

The fourth proportional to 216,771.65, 324,736.67 and 159,742.04 is: 239,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,771.65 : 324,736.67 = 159,742.04 : x
  2. Step 2: Convert to fraction form
    216,771.65/324,736.67 = 159,742.04/x
  3. Step 3: Cross multiply
    216,771.65x = 324,736.67 × 159,742.04
  4. Step 4: Simplify right side
    216,771.65x = 51,874,096,504.92
  5. Step 5: Solve for x
    x = 51,874,096,504.92/216,771.65
  6. Step 6: Final answer
    x = 239,302.96

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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.