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Finding the Fourth Proportional to 348,517.14, 522,843.78 and 111,841.62

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Solution

The fourth proportional to 348,517.14, 522,843.78 and 111,841.62 is: 167,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,517.14 : 522,843.78 = 111,841.62 : x
  2. Step 2: Convert to fraction form
    348,517.14/522,843.78 = 111,841.62/x
  3. Step 3: Cross multiply
    348,517.14x = 522,843.78 × 111,841.62
  4. Step 4: Simplify right side
    348,517.14x = 58,475,695,362.12
  5. Step 5: Solve for x
    x = 58,475,695,362.12/348,517.14
  6. Step 6: Final answer
    x = 167,784.27

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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.