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Finding the Fourth Proportional to 224,522.26, 336,491.78 and 91,247.42

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Solution

The fourth proportional to 224,522.26, 336,491.78 and 91,247.42 is: 136,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,522.26 : 336,491.78 = 91,247.42 : x
  2. Step 2: Convert to fraction form
    224,522.26/336,491.78 = 91,247.42/x
  3. Step 3: Cross multiply
    224,522.26x = 336,491.78 × 91,247.42
  4. Step 4: Simplify right side
    224,522.26x = 30,704,006,776.21
  5. Step 5: Solve for x
    x = 30,704,006,776.21/224,522.26
  6. Step 6: Final answer
    x = 136,752.62

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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.