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Finding the Fourth Proportional to 224,382.21, 336,576.21 and 74,622.54

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Solution

The fourth proportional to 224,382.21, 336,576.21 and 74,622.54 is: 111,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,382.21 : 336,576.21 = 74,622.54 : x
  2. Step 2: Convert to fraction form
    224,382.21/336,576.21 = 74,622.54/x
  3. Step 3: Cross multiply
    224,382.21x = 336,576.21 × 74,622.54
  4. Step 4: Simplify right side
    224,382.21x = 25,116,171,693.77
  5. Step 5: Solve for x
    x = 25,116,171,693.77/224,382.21
  6. Step 6: Final answer
    x = 111,934.77

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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.