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Finding the Fourth Proportional to 73,005.21, 100,748.64 and 41,167.89

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Solution

The fourth proportional to 73,005.21, 100,748.64 and 41,167.89 is: 56,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.21 : 100,748.64 = 41,167.89 : x
  2. Step 2: Convert to fraction form
    73,005.21/100,748.64 = 41,167.89/x
  3. Step 3: Cross multiply
    73,005.21x = 100,748.64 × 41,167.89
  4. Step 4: Simplify right side
    73,005.21x = 4,147,608,929.17
  5. Step 5: Solve for x
    x = 4,147,608,929.17/73,005.21
  6. Step 6: Final answer
    x = 56,812.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.