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Finding the Fourth Proportional to 73,135.98, 109,614.21 and 41,572.44

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Solution

The fourth proportional to 73,135.98, 109,614.21 and 41,572.44 is: 62,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.98 : 109,614.21 = 41,572.44 : x
  2. Step 2: Convert to fraction form
    73,135.98/109,614.21 = 41,572.44/x
  3. Step 3: Cross multiply
    73,135.98x = 109,614.21 × 41,572.44
  4. Step 4: Simplify right side
    73,135.98x = 4,556,930,168.37
  5. Step 5: Solve for x
    x = 4,556,930,168.37/73,135.98
  6. Step 6: Final answer
    x = 62,307.64

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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.