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Finding the Fourth Proportional to 181,794.92, 250,907.60 and 117,246

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Solution

The fourth proportional to 181,794.92, 250,907.60 and 117,246 is: 161,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,794.92 : 250,907.60 = 117,246 : x
  2. Step 2: Convert to fraction form
    181,794.92/250,907.60 = 117,246/x
  3. Step 3: Cross multiply
    181,794.92x = 250,907.60 × 117,246
  4. Step 4: Simplify right side
    181,794.92x = 29,417,912,469.60
  5. Step 5: Solve for x
    x = 29,417,912,469.60/181,794.92
  6. Step 6: Final answer
    x = 161,819.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.