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Finding the Fourth Proportional to 188,751.10, 283,257.69 and 122,025.70

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Solution

The fourth proportional to 188,751.10, 283,257.69 and 122,025.70 is: 183,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,751.10 : 283,257.69 = 122,025.70 : x
  2. Step 2: Convert to fraction form
    188,751.10/283,257.69 = 122,025.70/x
  3. Step 3: Cross multiply
    188,751.10x = 283,257.69 × 122,025.70
  4. Step 4: Simplify right side
    188,751.10x = 34,564,717,902.63
  5. Step 5: Solve for x
    x = 34,564,717,902.63/188,751.10
  6. Step 6: Final answer
    x = 183,123.27

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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.