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Finding the Fourth Proportional to 367,172.43, 550,633.89 and 127,230.35

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Solution

The fourth proportional to 367,172.43, 550,633.89 and 127,230.35 is: 190,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,172.43 : 550,633.89 = 127,230.35 : x
  2. Step 2: Convert to fraction form
    367,172.43/550,633.89 = 127,230.35/x
  3. Step 3: Cross multiply
    367,172.43x = 550,633.89 × 127,230.35
  4. Step 4: Simplify right side
    367,172.43x = 70,057,339,793.39
  5. Step 5: Solve for x
    x = 70,057,339,793.39/367,172.43
  6. Step 6: Final answer
    x = 190,802.29

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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.