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Finding the Fourth Proportional to 73,757.25, 110,636.28 and 18,353.25

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Solution

The fourth proportional to 73,757.25, 110,636.28 and 18,353.25 is: 27,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,757.25 : 110,636.28 = 18,353.25 : x
  2. Step 2: Convert to fraction form
    73,757.25/110,636.28 = 18,353.25/x
  3. Step 3: Cross multiply
    73,757.25x = 110,636.28 × 18,353.25
  4. Step 4: Simplify right side
    73,757.25x = 2,030,535,305.91
  5. Step 5: Solve for x
    x = 2,030,535,305.91/73,757.25
  6. Step 6: Final answer
    x = 27,529.98

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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.