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Finding the Fourth Proportional to 367,179.66, 550,511.16 and 142,350.60

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Solution

The fourth proportional to 367,179.66, 550,511.16 and 142,350.60 is: 213,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,179.66 : 550,511.16 = 142,350.60 : x
  2. Step 2: Convert to fraction form
    367,179.66/550,511.16 = 142,350.60/x
  3. Step 3: Cross multiply
    367,179.66x = 550,511.16 × 142,350.60
  4. Step 4: Simplify right side
    367,179.66x = 78,365,593,932.70
  5. Step 5: Solve for x
    x = 78,365,593,932.70/367,179.66
  6. Step 6: Final answer
    x = 213,425.75

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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.