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Finding the Fourth Proportional to 245,237.25, 367,855.38 and 67,743.75

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Solution

The fourth proportional to 245,237.25, 367,855.38 and 67,743.75 is: 101,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,237.25 : 367,855.38 = 67,743.75 : x
  2. Step 2: Convert to fraction form
    245,237.25/367,855.38 = 67,743.75/x
  3. Step 3: Cross multiply
    245,237.25x = 367,855.38 × 67,743.75
  4. Step 4: Simplify right side
    245,237.25x = 24,919,902,898.88
  5. Step 5: Solve for x
    x = 24,919,902,898.88/245,237.25
  6. Step 6: Final answer
    x = 101,615.49

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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.