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Finding the Fourth Proportional to 367,087.55, 550,467.30 and 142,373.30

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Solution

The fourth proportional to 367,087.55, 550,467.30 and 142,373.30 is: 213,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,087.55 : 550,467.30 = 142,373.30 : x
  2. Step 2: Convert to fraction form
    367,087.55/550,467.30 = 142,373.30/x
  3. Step 3: Cross multiply
    367,087.55x = 550,467.30 × 142,373.30
  4. Step 4: Simplify right side
    367,087.55x = 78,371,846,043.09
  5. Step 5: Solve for x
    x = 78,371,846,043.09/367,087.55
  6. Step 6: Final answer
    x = 213,496.33

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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.