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Finding the Fourth Proportional to 367,165.50, 550,623.48 and 127,223.40

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Solution

The fourth proportional to 367,165.50, 550,623.48 and 127,223.40 is: 190,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,165.50 : 550,623.48 = 127,223.40 : x
  2. Step 2: Convert to fraction form
    367,165.50/550,623.48 = 127,223.40/x
  3. Step 3: Cross multiply
    367,165.50x = 550,623.48 × 127,223.40
  4. Step 4: Simplify right side
    367,165.50x = 70,052,191,245.43
  5. Step 5: Solve for x
    x = 70,052,191,245.43/367,165.50
  6. Step 6: Final answer
    x = 190,791.87

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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.