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Finding the Fourth Proportional to 73,551.45, 110,328.26 and 18,147.45

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Solution

The fourth proportional to 73,551.45, 110,328.26 and 18,147.45 is: 27,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,551.45 : 110,328.26 = 18,147.45 : x
  2. Step 2: Convert to fraction form
    73,551.45/110,328.26 = 18,147.45/x
  3. Step 3: Cross multiply
    73,551.45x = 110,328.26 × 18,147.45
  4. Step 4: Simplify right side
    73,551.45x = 2,002,176,491.20
  5. Step 5: Solve for x
    x = 2,002,176,491.20/73,551.45
  6. Step 6: Final answer
    x = 27,221.44

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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.