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Finding the Fourth Proportional to 367,072.55, 550,809.44 and 142,441.82

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Solution

The fourth proportional to 367,072.55, 550,809.44 and 142,441.82 is: 213,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,072.55 : 550,809.44 = 142,441.82 : x
  2. Step 2: Convert to fraction form
    367,072.55/550,809.44 = 142,441.82/x
  3. Step 3: Cross multiply
    367,072.55x = 550,809.44 × 142,441.82
  4. Step 4: Simplify right side
    367,072.55x = 78,458,298,394.57
  5. Step 5: Solve for x
    x = 78,458,298,394.57/367,072.55
  6. Step 6: Final answer
    x = 213,740.58

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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.