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Finding the Fourth Proportional to 224,286.65, 336,372.56 and 66,478.19

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Solution

The fourth proportional to 224,286.65, 336,372.56 and 66,478.19 is: 99,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,286.65 : 336,372.56 = 66,478.19 : x
  2. Step 2: Convert to fraction form
    224,286.65/336,372.56 = 66,478.19/x
  3. Step 3: Cross multiply
    224,286.65x = 336,372.56 × 66,478.19
  4. Step 4: Simplify right side
    224,286.65x = 22,361,440,121.14
  5. Step 5: Solve for x
    x = 22,361,440,121.14/224,286.65
  6. Step 6: Final answer
    x = 99,700.27

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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.