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Finding the Fourth Proportional to 224,576.50, 336,751.76 and 74,763.36

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Solution

The fourth proportional to 224,576.50, 336,751.76 and 74,763.36 is: 112,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,576.50 : 336,751.76 = 74,763.36 : x
  2. Step 2: Convert to fraction form
    224,576.50/336,751.76 = 74,763.36/x
  3. Step 3: Cross multiply
    224,576.50x = 336,751.76 × 74,763.36
  4. Step 4: Simplify right side
    224,576.50x = 25,176,693,063.51
  5. Step 5: Solve for x
    x = 25,176,693,063.51/224,576.50
  6. Step 6: Final answer
    x = 112,107.42

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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.