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Finding the Fourth Proportional to 73,564.88, 110,347.59 and 18,160.88

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Solution

The fourth proportional to 73,564.88, 110,347.59 and 18,160.88 is: 27,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,564.88 : 110,347.59 = 18,160.88 : x
  2. Step 2: Convert to fraction form
    73,564.88/110,347.59 = 18,160.88/x
  3. Step 3: Cross multiply
    73,564.88x = 110,347.59 × 18,160.88
  4. Step 4: Simplify right side
    73,564.88x = 2,004,008,788.54
  5. Step 5: Solve for x
    x = 2,004,008,788.54/73,564.88
  6. Step 6: Final answer
    x = 27,241.38

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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.